Home / 159,549.48-220,180.68-91,577.52

Finding the Fourth Proportional to 159,549.48, 220,180.68 and 91,577.52

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Solution

The fourth proportional to 159,549.48, 220,180.68 and 91,577.52 is: 126,378.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,549.48 : 220,180.68 = 91,577.52 : x
  2. Step 2: Convert to fraction form
    159,549.48/220,180.68 = 91,577.52/x
  3. Step 3: Cross multiply
    159,549.48x = 220,180.68 × 91,577.52
  4. Step 4: Simplify right side
    159,549.48x = 20,163,600,626.31
  5. Step 5: Solve for x
    x = 20,163,600,626.31/159,549.48
  6. Step 6: Final answer
    x = 126,378.35

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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.