Home / 187,708.27-258,974.01-107,079.06

Finding the Fourth Proportional to 187,708.27, 258,974.01 and 107,079.06

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Solution

The fourth proportional to 187,708.27, 258,974.01 and 107,079.06 is: 147,732.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,708.27 : 258,974.01 = 107,079.06 : x
  2. Step 2: Convert to fraction form
    187,708.27/258,974.01 = 107,079.06/x
  3. Step 3: Cross multiply
    187,708.27x = 258,974.01 × 107,079.06
  4. Step 4: Simplify right side
    187,708.27x = 27,730,693,555.23
  5. Step 5: Solve for x
    x = 27,730,693,555.23/187,708.27
  6. Step 6: Final answer
    x = 147,732.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.