Home / 125,925.17-187,966.47-110,978.87

Finding the Fourth Proportional to 125,925.17, 187,966.47 and 110,978.87

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Solution

The fourth proportional to 125,925.17, 187,966.47 and 110,978.87 is: 165,656.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,925.17 : 187,966.47 = 110,978.87 : x
  2. Step 2: Convert to fraction form
    125,925.17/187,966.47 = 110,978.87/x
  3. Step 3: Cross multiply
    125,925.17x = 187,966.47 × 110,978.87
  4. Step 4: Simplify right side
    125,925.17x = 20,860,305,883.59
  5. Step 5: Solve for x
    x = 20,860,305,883.59/125,925.17
  6. Step 6: Final answer
    x = 165,656.36

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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.