Home / 177,985.17-267,033.66-78,229.23

Finding the Fourth Proportional to 177,985.17, 267,033.66 and 78,229.23

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Solution

The fourth proportional to 177,985.17, 267,033.66 and 78,229.23 is: 117,368.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,985.17 : 267,033.66 = 78,229.23 : x
  2. Step 2: Convert to fraction form
    177,985.17/267,033.66 = 78,229.23/x
  3. Step 3: Cross multiply
    177,985.17x = 267,033.66 × 78,229.23
  4. Step 4: Simplify right side
    177,985.17x = 20,889,837,605.88
  5. Step 5: Solve for x
    x = 20,889,837,605.88/177,985.17
  6. Step 6: Final answer
    x = 117,368.42

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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.