Home / 129,282.10-193,923.15-40,542.76

Finding the Fourth Proportional to 129,282.10, 193,923.15 and 40,542.76

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Solution

The fourth proportional to 129,282.10, 193,923.15 and 40,542.76 is: 60,814.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,282.10 : 193,923.15 = 40,542.76 : x
  2. Step 2: Convert to fraction form
    129,282.10/193,923.15 = 40,542.76/x
  3. Step 3: Cross multiply
    129,282.10x = 193,923.15 × 40,542.76
  4. Step 4: Simplify right side
    129,282.10x = 7,862,179,728.89
  5. Step 5: Solve for x
    x = 7,862,179,728.89/129,282.10
  6. Step 6: Final answer
    x = 60,814.14

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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.