Home / 356,235.45-534,353.18-89,996.73

Finding the Fourth Proportional to 356,235.45, 534,353.18 and 89,996.73

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Solution

The fourth proportional to 356,235.45, 534,353.18 and 89,996.73 is: 134,995.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,235.45 : 534,353.18 = 89,996.73 : x
  2. Step 2: Convert to fraction form
    356,235.45/534,353.18 = 89,996.73/x
  3. Step 3: Cross multiply
    356,235.45x = 534,353.18 × 89,996.73
  4. Step 4: Simplify right side
    356,235.45x = 48,090,038,415.12
  5. Step 5: Solve for x
    x = 48,090,038,415.12/356,235.45
  6. Step 6: Final answer
    x = 134,995.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.