Home / 141,598.35-195,404.22-77,934.78

Finding the Fourth Proportional to 141,598.35, 195,404.22 and 77,934.78

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Solution

The fourth proportional to 141,598.35, 195,404.22 and 77,934.78 is: 107,549.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,598.35 : 195,404.22 = 77,934.78 : x
  2. Step 2: Convert to fraction form
    141,598.35/195,404.22 = 77,934.78/x
  3. Step 3: Cross multiply
    141,598.35x = 195,404.22 × 77,934.78
  4. Step 4: Simplify right side
    141,598.35x = 15,228,784,896.77
  5. Step 5: Solve for x
    x = 15,228,784,896.77/141,598.35
  6. Step 6: Final answer
    x = 107,549.17

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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.