Home / 141,355.33-195,067.85-77,693.11

Finding the Fourth Proportional to 141,355.33, 195,067.85 and 77,693.11

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Solution

The fourth proportional to 141,355.33, 195,067.85 and 77,693.11 is: 107,215.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,355.33 : 195,067.85 = 77,693.11 : x
  2. Step 2: Convert to fraction form
    141,355.33/195,067.85 = 77,693.11/x
  3. Step 3: Cross multiply
    141,355.33x = 195,067.85 × 77,693.11
  4. Step 4: Simplify right side
    141,355.33x = 15,155,427,051.38
  5. Step 5: Solve for x
    x = 15,155,427,051.38/141,355.33
  6. Step 6: Final answer
    x = 107,215.11

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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.