Home / 125,001.58-187,411.93-74,280.38

Finding the Fourth Proportional to 125,001.58, 187,411.93 and 74,280.38

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Solution

The fourth proportional to 125,001.58, 187,411.93 and 74,280.38 is: 111,366.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,001.58 : 187,411.93 = 74,280.38 : x
  2. Step 2: Convert to fraction form
    125,001.58/187,411.93 = 74,280.38/x
  3. Step 3: Cross multiply
    125,001.58x = 187,411.93 × 74,280.38
  4. Step 4: Simplify right side
    125,001.58x = 13,921,029,376.93
  5. Step 5: Solve for x
    x = 13,921,029,376.93/125,001.58
  6. Step 6: Final answer
    x = 111,366.83

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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.