Home / 141,142.68-194,776.11-76,613.22

Finding the Fourth Proportional to 141,142.68, 194,776.11 and 76,613.22

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Solution

The fourth proportional to 141,142.68, 194,776.11 and 76,613.22 is: 105,725.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,142.68 : 194,776.11 = 76,613.22 : x
  2. Step 2: Convert to fraction form
    141,142.68/194,776.11 = 76,613.22/x
  3. Step 3: Cross multiply
    141,142.68x = 194,776.11 × 76,613.22
  4. Step 4: Simplify right side
    141,142.68x = 14,922,424,966.17
  5. Step 5: Solve for x
    x = 14,922,424,966.17/141,142.68
  6. Step 6: Final answer
    x = 105,725.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.