Home / 187,829.76-259,205.88-101,788.92

Finding the Fourth Proportional to 187,829.76, 259,205.88 and 101,788.92

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Solution

The fourth proportional to 187,829.76, 259,205.88 and 101,788.92 is: 140,469.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,829.76 : 259,205.88 = 101,788.92 : x
  2. Step 2: Convert to fraction form
    187,829.76/259,205.88 = 101,788.92/x
  3. Step 3: Cross multiply
    187,829.76x = 259,205.88 × 101,788.92
  4. Step 4: Simplify right side
    187,829.76x = 26,384,286,582.85
  5. Step 5: Solve for x
    x = 26,384,286,582.85/187,829.76
  6. Step 6: Final answer
    x = 140,469.15

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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.