Home / 119,818.38-165,348.90-66,106.74

Finding the Fourth Proportional to 119,818.38, 165,348.90 and 66,106.74

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Solution

The fourth proportional to 119,818.38, 165,348.90 and 66,106.74 is: 91,227.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,818.38 : 165,348.90 = 66,106.74 : x
  2. Step 2: Convert to fraction form
    119,818.38/165,348.90 = 66,106.74/x
  3. Step 3: Cross multiply
    119,818.38x = 165,348.90 × 66,106.74
  4. Step 4: Simplify right side
    119,818.38x = 10,930,676,741.59
  5. Step 5: Solve for x
    x = 10,930,676,741.59/119,818.38
  6. Step 6: Final answer
    x = 91,227.04

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1.5x scale

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.