Home / 265,972.22-398,613.63-108,017.18

Finding the Fourth Proportional to 265,972.22, 398,613.63 and 108,017.18

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Solution

The fourth proportional to 265,972.22, 398,613.63 and 108,017.18 is: 161,885.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,972.22 : 398,613.63 = 108,017.18 : x
  2. Step 2: Convert to fraction form
    265,972.22/398,613.63 = 108,017.18/x
  3. Step 3: Cross multiply
    265,972.22x = 398,613.63 × 108,017.18
  4. Step 4: Simplify right side
    265,972.22x = 43,057,120,222.16
  5. Step 5: Solve for x
    x = 43,057,120,222.16/265,972.22
  6. Step 6: Final answer
    x = 161,885.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.