Home / 141,860.38-195,767.59-77,330.14

Finding the Fourth Proportional to 141,860.38, 195,767.59 and 77,330.14

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Solution

The fourth proportional to 141,860.38, 195,767.59 and 77,330.14 is: 106,715.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,860.38 : 195,767.59 = 77,330.14 : x
  2. Step 2: Convert to fraction form
    141,860.38/195,767.59 = 77,330.14/x
  3. Step 3: Cross multiply
    141,860.38x = 195,767.59 × 77,330.14
  4. Step 4: Simplify right side
    141,860.38x = 15,138,735,923.10
  5. Step 5: Solve for x
    x = 15,138,735,923.10/141,860.38
  6. Step 6: Final answer
    x = 106,715.74

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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.