Home / 129,259.50-194,070.91-66,124.91

Finding the Fourth Proportional to 129,259.50, 194,070.91 and 66,124.91

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Solution

The fourth proportional to 129,259.50, 194,070.91 and 66,124.91 is: 99,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,259.50 : 194,070.91 = 66,124.91 : x
  2. Step 2: Convert to fraction form
    129,259.50/194,070.91 = 66,124.91/x
  3. Step 3: Cross multiply
    129,259.50x = 194,070.91 × 66,124.91
  4. Step 4: Simplify right side
    129,259.50x = 12,832,921,805.20
  5. Step 5: Solve for x
    x = 12,832,921,805.20/129,259.50
  6. Step 6: Final answer
    x = 99,280.30

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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.