Home / 187,908.27-281,608.17-99,228.15

Finding the Fourth Proportional to 187,908.27, 281,608.17 and 99,228.15

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Solution

The fourth proportional to 187,908.27, 281,608.17 and 99,228.15 is: 148,707.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,908.27 : 281,608.17 = 99,228.15 : x
  2. Step 2: Convert to fraction form
    187,908.27/281,608.17 = 99,228.15/x
  3. Step 3: Cross multiply
    187,908.27x = 281,608.17 × 99,228.15
  4. Step 4: Simplify right side
    187,908.27x = 27,943,457,733.99
  5. Step 5: Solve for x
    x = 27,943,457,733.99/187,908.27
  6. Step 6: Final answer
    x = 148,707.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.