Home / 159,553.74-220,184.16-87,933.76

Finding the Fourth Proportional to 159,553.74, 220,184.16 and 87,933.76

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Solution

The fourth proportional to 159,553.74, 220,184.16 and 87,933.76 is: 121,348.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,553.74 : 220,184.16 = 87,933.76 : x
  2. Step 2: Convert to fraction form
    159,553.74/220,184.16 = 87,933.76/x
  3. Step 3: Cross multiply
    159,553.74x = 220,184.16 × 87,933.76
  4. Step 4: Simplify right side
    159,553.74x = 19,361,621,081.24
  5. Step 5: Solve for x
    x = 19,361,621,081.24/159,553.74
  6. Step 6: Final answer
    x = 121,348.59

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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.