Home / 187,876.14-259,279.68-111,440.46

Finding the Fourth Proportional to 187,876.14, 259,279.68 and 111,440.46

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Solution

The fourth proportional to 187,876.14, 259,279.68 and 111,440.46 is: 153,794.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,876.14 : 259,279.68 = 111,440.46 : x
  2. Step 2: Convert to fraction form
    187,876.14/259,279.68 = 111,440.46/x
  3. Step 3: Cross multiply
    187,876.14x = 259,279.68 × 111,440.46
  4. Step 4: Simplify right side
    187,876.14x = 28,894,246,807.85
  5. Step 5: Solve for x
    x = 28,894,246,807.85/187,876.14
  6. Step 6: Final answer
    x = 153,794.13

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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.