Home / 129,515.17-194,283.69-36,020.92

Finding the Fourth Proportional to 129,515.17, 194,283.69 and 36,020.92

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Solution

The fourth proportional to 129,515.17, 194,283.69 and 36,020.92 is: 54,034.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,515.17 : 194,283.69 = 36,020.92 : x
  2. Step 2: Convert to fraction form
    129,515.17/194,283.69 = 36,020.92/x
  3. Step 3: Cross multiply
    129,515.17x = 194,283.69 × 36,020.92
  4. Step 4: Simplify right side
    129,515.17x = 6,998,277,254.79
  5. Step 5: Solve for x
    x = 6,998,277,254.79/129,515.17
  6. Step 6: Final answer
    x = 54,034.42

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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.