Home / 113,737.14-170,698.62-80,489.22

Finding the Fourth Proportional to 113,737.14, 170,698.62 and 80,489.22

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Solution

The fourth proportional to 113,737.14, 170,698.62 and 80,489.22 is: 120,799.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,737.14 : 170,698.62 = 80,489.22 : x
  2. Step 2: Convert to fraction form
    113,737.14/170,698.62 = 80,489.22/x
  3. Step 3: Cross multiply
    113,737.14x = 170,698.62 × 80,489.22
  4. Step 4: Simplify right side
    113,737.14x = 13,739,398,778.88
  5. Step 5: Solve for x
    x = 13,739,398,778.88/113,737.14
  6. Step 6: Final answer
    x = 120,799.58

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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.