Home / 159,802.24-220,520.60-88,181.30

Finding the Fourth Proportional to 159,802.24, 220,520.60 and 88,181.30

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Solution

The fourth proportional to 159,802.24, 220,520.60 and 88,181.30 is: 121,686.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,802.24 : 220,520.60 = 88,181.30 : x
  2. Step 2: Convert to fraction form
    159,802.24/220,520.60 = 88,181.30/x
  3. Step 3: Cross multiply
    159,802.24x = 220,520.60 × 88,181.30
  4. Step 4: Simplify right side
    159,802.24x = 19,445,793,184.78
  5. Step 5: Solve for x
    x = 19,445,793,184.78/159,802.24
  6. Step 6: Final answer
    x = 121,686.61

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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.