Home / 521,116.56-781,737.90-184,088.25

Finding the Fourth Proportional to 521,116.56, 781,737.90 and 184,088.25

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Solution

The fourth proportional to 521,116.56, 781,737.90 and 184,088.25 is: 276,154.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,116.56 : 781,737.90 = 184,088.25 : x
  2. Step 2: Convert to fraction form
    521,116.56/781,737.90 = 184,088.25/x
  3. Step 3: Cross multiply
    521,116.56x = 781,737.90 × 184,088.25
  4. Step 4: Simplify right side
    521,116.56x = 143,908,761,969.68
  5. Step 5: Solve for x
    x = 143,908,761,969.68/521,116.56
  6. Step 6: Final answer
    x = 276,154.65

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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.