Home / 187,948.28-259,117.68-149,314.27

Finding the Fourth Proportional to 187,948.28, 259,117.68 and 149,314.27

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Solution

The fourth proportional to 187,948.28, 259,117.68 and 149,314.27 is: 205,854.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,948.28 : 259,117.68 = 149,314.27 : x
  2. Step 2: Convert to fraction form
    187,948.28/259,117.68 = 149,314.27/x
  3. Step 3: Cross multiply
    187,948.28x = 259,117.68 × 149,314.27
  4. Step 4: Simplify right side
    187,948.28x = 38,689,967,233.29
  5. Step 5: Solve for x
    x = 38,689,967,233.29/187,948.28
  6. Step 6: Final answer
    x = 205,854.33

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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.