Home / 119,744.23-165,248.18-66,031.15

Finding the Fourth Proportional to 119,744.23, 165,248.18 and 66,031.15

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Solution

The fourth proportional to 119,744.23, 165,248.18 and 66,031.15 is: 91,123.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,744.23 : 165,248.18 = 66,031.15 : x
  2. Step 2: Convert to fraction form
    119,744.23/165,248.18 = 66,031.15/x
  3. Step 3: Cross multiply
    119,744.23x = 165,248.18 × 66,031.15
  4. Step 4: Simplify right side
    119,744.23x = 10,911,527,360.81
  5. Step 5: Solve for x
    x = 10,911,527,360.81/119,744.23
  6. Step 6: Final answer
    x = 91,123.62

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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.