Home / 129,565.97-194,305.55-49,585.36

Finding the Fourth Proportional to 129,565.97, 194,305.55 and 49,585.36

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Solution

The fourth proportional to 129,565.97, 194,305.55 and 49,585.36 is: 74,361.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,565.97 : 194,305.55 = 49,585.36 : x
  2. Step 2: Convert to fraction form
    129,565.97/194,305.55 = 49,585.36/x
  3. Step 3: Cross multiply
    129,565.97x = 194,305.55 × 49,585.36
  4. Step 4: Simplify right side
    129,565.97x = 9,634,709,913.06
  5. Step 5: Solve for x
    x = 9,634,709,913.06/129,565.97
  6. Step 6: Final answer
    x = 74,361.42

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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.