Home / 356,313.64-534,427.44-90,076.50

Finding the Fourth Proportional to 356,313.64, 534,427.44 and 90,076.50

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Solution

The fourth proportional to 356,313.64, 534,427.44 and 90,076.50 is: 135,103.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,313.64 : 534,427.44 = 90,076.50 : x
  2. Step 2: Convert to fraction form
    356,313.64/534,427.44 = 90,076.50/x
  3. Step 3: Cross multiply
    356,313.64x = 534,427.44 × 90,076.50
  4. Step 4: Simplify right side
    356,313.64x = 48,139,353,299.16
  5. Step 5: Solve for x
    x = 48,139,353,299.16/356,313.64
  6. Step 6: Final answer
    x = 135,103.87

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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.