Home / 187,512.61-258,768.08-101,471.58

Finding the Fourth Proportional to 187,512.61, 258,768.08 and 101,471.58

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Solution

The fourth proportional to 187,512.61, 258,768.08 and 101,471.58 is: 140,031.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,512.61 : 258,768.08 = 101,471.58 : x
  2. Step 2: Convert to fraction form
    187,512.61/258,768.08 = 101,471.58/x
  3. Step 3: Cross multiply
    187,512.61x = 258,768.08 × 101,471.58
  4. Step 4: Simplify right side
    187,512.61x = 26,257,604,129.97
  5. Step 5: Solve for x
    x = 26,257,604,129.97/187,512.61
  6. Step 6: Final answer
    x = 140,031.14

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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.