Home / 125,264.88-187,426.31-87,897.83

Finding the Fourth Proportional to 125,264.88, 187,426.31 and 87,897.83

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Solution

The fourth proportional to 125,264.88, 187,426.31 and 87,897.83 is: 131,516.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,264.88 : 187,426.31 = 87,897.83 : x
  2. Step 2: Convert to fraction form
    125,264.88/187,426.31 = 87,897.83/x
  3. Step 3: Cross multiply
    125,264.88x = 187,426.31 × 87,897.83
  4. Step 4: Simplify right side
    125,264.88x = 16,474,364,557.29
  5. Step 5: Solve for x
    x = 16,474,364,557.29/125,264.88
  6. Step 6: Final answer
    x = 131,516.23

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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.