Home / 160,076.55-240,106.17-81,188.73

Finding the Fourth Proportional to 160,076.55, 240,106.17 and 81,188.73

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Solution

The fourth proportional to 160,076.55, 240,106.17 and 81,188.73 is: 121,778.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,076.55 : 240,106.17 = 81,188.73 : x
  2. Step 2: Convert to fraction form
    160,076.55/240,106.17 = 81,188.73/x
  3. Step 3: Cross multiply
    160,076.55x = 240,106.17 × 81,188.73
  4. Step 4: Simplify right side
    160,076.55x = 19,493,915,311.92
  5. Step 5: Solve for x
    x = 19,493,915,311.92/160,076.55
  6. Step 6: Final answer
    x = 121,778.70

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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.