Home / 152,144.11-209,888.17-98,446.44

Finding the Fourth Proportional to 152,144.11, 209,888.17 and 98,446.44

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Solution

The fourth proportional to 152,144.11, 209,888.17 and 98,446.44 is: 135,810.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,144.11 : 209,888.17 = 98,446.44 : x
  2. Step 2: Convert to fraction form
    152,144.11/209,888.17 = 98,446.44/x
  3. Step 3: Cross multiply
    152,144.11x = 209,888.17 × 98,446.44
  4. Step 4: Simplify right side
    152,144.11x = 20,662,743,134.61
  5. Step 5: Solve for x
    x = 20,662,743,134.61/152,144.11
  6. Step 6: Final answer
    x = 135,810.34

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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.