Home / 124,956.68-187,433.17-30,186.05

Finding the Fourth Proportional to 124,956.68, 187,433.17 and 30,186.05

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Solution

The fourth proportional to 124,956.68, 187,433.17 and 30,186.05 is: 45,278.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,956.68 : 187,433.17 = 30,186.05 : x
  2. Step 2: Convert to fraction form
    124,956.68/187,433.17 = 30,186.05/x
  3. Step 3: Cross multiply
    124,956.68x = 187,433.17 × 30,186.05
  4. Step 4: Simplify right side
    124,956.68x = 5,657,866,028.65
  5. Step 5: Solve for x
    x = 5,657,866,028.65/124,956.68
  6. Step 6: Final answer
    x = 45,278.62

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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.