Home / 124,926.64-187,377.81-68,748.28

Finding the Fourth Proportional to 124,926.64, 187,377.81 and 68,748.28

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Solution

The fourth proportional to 124,926.64, 187,377.81 and 68,748.28 is: 103,115.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,926.64 : 187,377.81 = 68,748.28 : x
  2. Step 2: Convert to fraction form
    124,926.64/187,377.81 = 68,748.28/x
  3. Step 3: Cross multiply
    124,926.64x = 187,377.81 × 68,748.28
  4. Step 4: Simplify right side
    124,926.64x = 12,881,902,147.67
  5. Step 5: Solve for x
    x = 12,881,902,147.67/124,926.64
  6. Step 6: Final answer
    x = 103,115.73

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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.