Home / 125,587.64-187,568.56-113,717.69

Finding the Fourth Proportional to 125,587.64, 187,568.56 and 113,717.69

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Solution

The fourth proportional to 125,587.64, 187,568.56 and 113,717.69 is: 169,840.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,587.64 : 187,568.56 = 113,717.69 : x
  2. Step 2: Convert to fraction form
    125,587.64/187,568.56 = 113,717.69/x
  3. Step 3: Cross multiply
    125,587.64x = 187,568.56 × 113,717.69
  4. Step 4: Simplify right side
    125,587.64x = 21,329,863,359.83
  5. Step 5: Solve for x
    x = 21,329,863,359.83/125,587.64
  6. Step 6: Final answer
    x = 169,840.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.