Home / 159,621.24-220,276.08-88,004.28

Finding the Fourth Proportional to 159,621.24, 220,276.08 and 88,004.28

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Solution

The fourth proportional to 159,621.24, 220,276.08 and 88,004.28 is: 121,445.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,621.24 : 220,276.08 = 88,004.28 : x
  2. Step 2: Convert to fraction form
    159,621.24/220,276.08 = 88,004.28/x
  3. Step 3: Cross multiply
    159,621.24x = 220,276.08 × 88,004.28
  4. Step 4: Simplify right side
    159,621.24x = 19,385,237,821.62
  5. Step 5: Solve for x
    x = 19,385,237,821.62/159,621.24
  6. Step 6: Final answer
    x = 121,445.23

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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.