Home / 179,600.65-247,884.82-103,172.18

Finding the Fourth Proportional to 179,600.65, 247,884.82 and 103,172.18

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Solution

The fourth proportional to 179,600.65, 247,884.82 and 103,172.18 is: 142,398.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,600.65 : 247,884.82 = 103,172.18 : x
  2. Step 2: Convert to fraction form
    179,600.65/247,884.82 = 103,172.18/x
  3. Step 3: Cross multiply
    179,600.65x = 247,884.82 × 103,172.18
  4. Step 4: Simplify right side
    179,600.65x = 25,574,815,770.95
  5. Step 5: Solve for x
    x = 25,574,815,770.95/179,600.65
  6. Step 6: Final answer
    x = 142,398.24

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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.