Home / 129,618.60-194,209.20-62,915.10

Finding the Fourth Proportional to 129,618.60, 194,209.20 and 62,915.10

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Solution

The fourth proportional to 129,618.60, 194,209.20 and 62,915.10 is: 94,266.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,618.60 : 194,209.20 = 62,915.10 : x
  2. Step 2: Convert to fraction form
    129,618.60/194,209.20 = 62,915.10/x
  3. Step 3: Cross multiply
    129,618.60x = 194,209.20 × 62,915.10
  4. Step 4: Simplify right side
    129,618.60x = 12,218,691,238.92
  5. Step 5: Solve for x
    x = 12,218,691,238.92/129,618.60
  6. Step 6: Final answer
    x = 94,266.50

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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.