Home / 125,187.72-187,812.30-36,442.02

Finding the Fourth Proportional to 125,187.72, 187,812.30 and 36,442.02

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Solution

The fourth proportional to 125,187.72, 187,812.30 and 36,442.02 is: 54,671.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,187.72 : 187,812.30 = 36,442.02 : x
  2. Step 2: Convert to fraction form
    125,187.72/187,812.30 = 36,442.02/x
  3. Step 3: Cross multiply
    125,187.72x = 187,812.30 × 36,442.02
  4. Step 4: Simplify right side
    125,187.72x = 6,844,258,471.57
  5. Step 5: Solve for x
    x = 6,844,258,471.57/125,187.72
  6. Step 6: Final answer
    x = 54,671.97

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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.