Home / 187,600.56-258,895.28-102,718.20

Finding the Fourth Proportional to 187,600.56, 258,895.28 and 102,718.20

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Solution

The fourth proportional to 187,600.56, 258,895.28 and 102,718.20 is: 141,754.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,600.56 : 258,895.28 = 102,718.20 : x
  2. Step 2: Convert to fraction form
    187,600.56/258,895.28 = 102,718.20/x
  3. Step 3: Cross multiply
    187,600.56x = 258,895.28 × 102,718.20
  4. Step 4: Simplify right side
    187,600.56x = 26,593,257,150.10
  5. Step 5: Solve for x
    x = 26,593,257,150.10/187,600.56
  6. Step 6: Final answer
    x = 141,754.68

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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.