Home / 159,617.00-220,281.39-87,996.92

Finding the Fourth Proportional to 159,617.00, 220,281.39 and 87,996.92

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Solution

The fourth proportional to 159,617.00, 220,281.39 and 87,996.92 is: 121,441.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,617.00 : 220,281.39 = 87,996.92 : x
  2. Step 2: Convert to fraction form
    159,617.00/220,281.39 = 87,996.92/x
  3. Step 3: Cross multiply
    159,617.00x = 220,281.39 × 87,996.92
  4. Step 4: Simplify right side
    159,617.00x = 19,384,082,751.91
  5. Step 5: Solve for x
    x = 19,384,082,751.91/159,617.00
  6. Step 6: Final answer
    x = 121,441.22

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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.