Home / 187,426.48-258,648.24-102,543.88

Finding the Fourth Proportional to 187,426.48, 258,648.24 and 102,543.88

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Solution

The fourth proportional to 187,426.48, 258,648.24 and 102,543.88 is: 141,510.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,426.48 : 258,648.24 = 102,543.88 : x
  2. Step 2: Convert to fraction form
    187,426.48/258,648.24 = 102,543.88/x
  3. Step 3: Cross multiply
    187,426.48x = 258,648.24 × 102,543.88
  4. Step 4: Simplify right side
    187,426.48x = 26,522,794,084.77
  5. Step 5: Solve for x
    x = 26,522,794,084.77/187,426.48
  6. Step 6: Final answer
    x = 141,510.39

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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.