Home / 119,683.05-165,159.68-65,966.88

Finding the Fourth Proportional to 119,683.05, 165,159.68 and 65,966.88

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Solution

The fourth proportional to 119,683.05, 165,159.68 and 65,966.88 is: 91,032.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,683.05 : 165,159.68 = 65,966.88 : x
  2. Step 2: Convert to fraction form
    119,683.05/165,159.68 = 65,966.88/x
  3. Step 3: Cross multiply
    119,683.05x = 165,159.68 × 65,966.88
  4. Step 4: Simplify right side
    119,683.05x = 10,895,068,461.56
  5. Step 5: Solve for x
    x = 10,895,068,461.56/119,683.05
  6. Step 6: Final answer
    x = 91,032.68

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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.