Home / 129,965.46-194,948.19-83,513.58

Finding the Fourth Proportional to 129,965.46, 194,948.19 and 83,513.58

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Solution

The fourth proportional to 129,965.46, 194,948.19 and 83,513.58 is: 125,270.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,965.46 : 194,948.19 = 83,513.58 : x
  2. Step 2: Convert to fraction form
    129,965.46/194,948.19 = 83,513.58/x
  3. Step 3: Cross multiply
    129,965.46x = 194,948.19 × 83,513.58
  4. Step 4: Simplify right side
    129,965.46x = 16,280,821,261.42
  5. Step 5: Solve for x
    x = 16,280,821,261.42/129,965.46
  6. Step 6: Final answer
    x = 125,270.37

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Similar ratio
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1.5x scale

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.