Home / 159,566.47-220,203.26-87,949.24

Finding the Fourth Proportional to 159,566.47, 220,203.26 and 87,949.24

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Solution

The fourth proportional to 159,566.47, 220,203.26 and 87,949.24 is: 121,370.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,566.47 : 220,203.26 = 87,949.24 : x
  2. Step 2: Convert to fraction form
    159,566.47/220,203.26 = 87,949.24/x
  3. Step 3: Cross multiply
    159,566.47x = 220,203.26 × 87,949.24
  4. Step 4: Simplify right side
    159,566.47x = 19,366,708,702.08
  5. Step 5: Solve for x
    x = 19,366,708,702.08/159,566.47
  6. Step 6: Final answer
    x = 121,370.79

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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.