Home / 159,778.04-220,500.83-91,817.01

Finding the Fourth Proportional to 159,778.04, 220,500.83 and 91,817.01

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Solution

The fourth proportional to 159,778.04, 220,500.83 and 91,817.01 is: 126,711.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,778.04 : 220,500.83 = 91,817.01 : x
  2. Step 2: Convert to fraction form
    159,778.04/220,500.83 = 91,817.01/x
  3. Step 3: Cross multiply
    159,778.04x = 220,500.83 × 91,817.01
  4. Step 4: Simplify right side
    159,778.04x = 20,245,727,142.66
  5. Step 5: Solve for x
    x = 20,245,727,142.66/159,778.04
  6. Step 6: Final answer
    x = 126,711.58

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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.