Home / 125,001.72-187,634.34-122,180.76

Finding the Fourth Proportional to 125,001.72, 187,634.34 and 122,180.76

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Solution

The fourth proportional to 125,001.72, 187,634.34 and 122,180.76 is: 183,399.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,001.72 : 187,634.34 = 122,180.76 : x
  2. Step 2: Convert to fraction form
    125,001.72/187,634.34 = 122,180.76/x
  3. Step 3: Cross multiply
    125,001.72x = 187,634.34 × 122,180.76
  4. Step 4: Simplify right side
    125,001.72x = 22,925,306,263.30
  5. Step 5: Solve for x
    x = 22,925,306,263.30/125,001.72
  6. Step 6: Final answer
    x = 183,399.93

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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.