Home / 118,170.11-177,172.13-43,280.53

Finding the Fourth Proportional to 118,170.11, 177,172.13 and 43,280.53

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Solution

The fourth proportional to 118,170.11, 177,172.13 and 43,280.53 is: 64,890.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,170.11 : 177,172.13 = 43,280.53 : x
  2. Step 2: Convert to fraction form
    118,170.11/177,172.13 = 43,280.53/x
  3. Step 3: Cross multiply
    118,170.11x = 177,172.13 × 43,280.53
  4. Step 4: Simplify right side
    118,170.11x = 7,668,103,352.90
  5. Step 5: Solve for x
    x = 7,668,103,352.90/118,170.11
  6. Step 6: Final answer
    x = 64,890.38

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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.