Home / 125,531.47-188,283.43-36,785.85

Finding the Fourth Proportional to 125,531.47, 188,283.43 and 36,785.85

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Solution

The fourth proportional to 125,531.47, 188,283.43 and 36,785.85 is: 55,174.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,531.47 : 188,283.43 = 36,785.85 : x
  2. Step 2: Convert to fraction form
    125,531.47/188,283.43 = 36,785.85/x
  3. Step 3: Cross multiply
    125,531.47x = 188,283.43 × 36,785.85
  4. Step 4: Simplify right side
    125,531.47x = 6,926,166,013.47
  5. Step 5: Solve for x
    x = 6,926,166,013.47/125,531.47
  6. Step 6: Final answer
    x = 55,174.74

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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.