Home / 187,512.86-258,768.42-101,471.83

Finding the Fourth Proportional to 187,512.86, 258,768.42 and 101,471.83

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Solution

The fourth proportional to 187,512.86, 258,768.42 and 101,471.83 is: 140,031.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,512.86 : 258,768.42 = 101,471.83 : x
  2. Step 2: Convert to fraction form
    187,512.86/258,768.42 = 101,471.83/x
  3. Step 3: Cross multiply
    187,512.86x = 258,768.42 × 101,471.83
  4. Step 4: Simplify right side
    187,512.86x = 26,257,703,829.77
  5. Step 5: Solve for x
    x = 26,257,703,829.77/187,512.86
  6. Step 6: Final answer
    x = 140,031.49

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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.