Home / 356,131.21-534,194.77-89,890.62

Finding the Fourth Proportional to 356,131.21, 534,194.77 and 89,890.62

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Solution

The fourth proportional to 356,131.21, 534,194.77 and 89,890.62 is: 134,835.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,131.21 : 534,194.77 = 89,890.62 : x
  2. Step 2: Convert to fraction form
    356,131.21/534,194.77 = 89,890.62/x
  3. Step 3: Cross multiply
    356,131.21x = 534,194.77 × 89,890.62
  4. Step 4: Simplify right side
    356,131.21x = 48,019,099,076.06
  5. Step 5: Solve for x
    x = 48,019,099,076.06/356,131.21
  6. Step 6: Final answer
    x = 134,835.41

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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.