Home / 213,046.04-319,175.40-107,613.20

Finding the Fourth Proportional to 213,046.04, 319,175.40 and 107,613.20

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Solution

The fourth proportional to 213,046.04, 319,175.40 and 107,613.20 is: 161,220.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,046.04 : 319,175.40 = 107,613.20 : x
  2. Step 2: Convert to fraction form
    213,046.04/319,175.40 = 107,613.20/x
  3. Step 3: Cross multiply
    213,046.04x = 319,175.40 × 107,613.20
  4. Step 4: Simplify right side
    213,046.04x = 34,347,486,155.28
  5. Step 5: Solve for x
    x = 34,347,486,155.28/213,046.04
  6. Step 6: Final answer
    x = 161,220.96

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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.