Home / 160,127.70-220,972.38-87,527.33

Finding the Fourth Proportional to 160,127.70, 220,972.38 and 87,527.33

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Solution

The fourth proportional to 160,127.70, 220,972.38 and 87,527.33 is: 120,785.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,127.70 : 220,972.38 = 87,527.33 : x
  2. Step 2: Convert to fraction form
    160,127.70/220,972.38 = 87,527.33/x
  3. Step 3: Cross multiply
    160,127.70x = 220,972.38 × 87,527.33
  4. Step 4: Simplify right side
    160,127.70x = 19,341,121,320.28
  5. Step 5: Solve for x
    x = 19,341,121,320.28/160,127.70
  6. Step 6: Final answer
    x = 120,785.61

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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.