Home / 119,824.18-165,376.76-71,432.04

Finding the Fourth Proportional to 119,824.18, 165,376.76 and 71,432.04

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Solution

The fourth proportional to 119,824.18, 165,376.76 and 71,432.04 is: 98,587.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,824.18 : 165,376.76 = 71,432.04 : x
  2. Step 2: Convert to fraction form
    119,824.18/165,376.76 = 71,432.04/x
  3. Step 3: Cross multiply
    119,824.18x = 165,376.76 × 71,432.04
  4. Step 4: Simplify right side
    119,824.18x = 11,813,199,598.39
  5. Step 5: Solve for x
    x = 11,813,199,598.39/119,824.18
  6. Step 6: Final answer
    x = 98,587.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.