Home / 187,648.28-258,955.02-101,608.20

Finding the Fourth Proportional to 187,648.28, 258,955.02 and 101,608.20

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Solution

The fourth proportional to 187,648.28, 258,955.02 and 101,608.20 is: 140,219.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,648.28 : 258,955.02 = 101,608.20 : x
  2. Step 2: Convert to fraction form
    187,648.28/258,955.02 = 101,608.20/x
  3. Step 3: Cross multiply
    187,648.28x = 258,955.02 × 101,608.20
  4. Step 4: Simplify right side
    187,648.28x = 26,311,953,463.16
  5. Step 5: Solve for x
    x = 26,311,953,463.16/187,648.28
  6. Step 6: Final answer
    x = 140,219.53

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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.