Home / 380,892.41-571,332.92-92,705.04

Finding the Fourth Proportional to 380,892.41, 571,332.92 and 92,705.04

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Solution

The fourth proportional to 380,892.41, 571,332.92 and 92,705.04 is: 139,056.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,892.41 : 571,332.92 = 92,705.04 : x
  2. Step 2: Convert to fraction form
    380,892.41/571,332.92 = 92,705.04/x
  3. Step 3: Cross multiply
    380,892.41x = 571,332.92 × 92,705.04
  4. Step 4: Simplify right side
    380,892.41x = 52,965,441,201.92
  5. Step 5: Solve for x
    x = 52,965,441,201.92/380,892.41
  6. Step 6: Final answer
    x = 139,056.17

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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.