Home / 187,711.54-259,040.35-101,668.53

Finding the Fourth Proportional to 187,711.54, 259,040.35 and 101,668.53

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Solution

The fourth proportional to 187,711.54, 259,040.35 and 101,668.53 is: 140,301.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,711.54 : 259,040.35 = 101,668.53 : x
  2. Step 2: Convert to fraction form
    187,711.54/259,040.35 = 101,668.53/x
  3. Step 3: Cross multiply
    187,711.54x = 259,040.35 × 101,668.53
  4. Step 4: Simplify right side
    187,711.54x = 26,336,251,595.19
  5. Step 5: Solve for x
    x = 26,336,251,595.19/187,711.54
  6. Step 6: Final answer
    x = 140,301.72

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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.