Home / 187,141.96-258,262.28-102,264.49

Finding the Fourth Proportional to 187,141.96, 258,262.28 and 102,264.49

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Solution

The fourth proportional to 187,141.96, 258,262.28 and 102,264.49 is: 141,128.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,141.96 : 258,262.28 = 102,264.49 : x
  2. Step 2: Convert to fraction form
    187,141.96/258,262.28 = 102,264.49/x
  3. Step 3: Cross multiply
    187,141.96x = 258,262.28 × 102,264.49
  4. Step 4: Simplify right side
    187,141.96x = 26,411,060,350.44
  5. Step 5: Solve for x
    x = 26,411,060,350.44/187,141.96
  6. Step 6: Final answer
    x = 141,128.48

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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.