Home / 187,233.69-258,381.18-102,350.96

Finding the Fourth Proportional to 187,233.69, 258,381.18 and 102,350.96

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Solution

The fourth proportional to 187,233.69, 258,381.18 and 102,350.96 is: 141,243.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,233.69 : 258,381.18 = 102,350.96 : x
  2. Step 2: Convert to fraction form
    187,233.69/258,381.18 = 102,350.96/x
  3. Step 3: Cross multiply
    187,233.69x = 258,381.18 × 102,350.96
  4. Step 4: Simplify right side
    187,233.69x = 26,445,561,818.93
  5. Step 5: Solve for x
    x = 26,445,561,818.93/187,233.69
  6. Step 6: Final answer
    x = 141,243.61

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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.