Home / 118,053.26-176,942.69-67,487.72

Finding the Fourth Proportional to 118,053.26, 176,942.69 and 67,487.72

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Solution

The fourth proportional to 118,053.26, 176,942.69 and 67,487.72 is: 101,153.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,053.26 : 176,942.69 = 67,487.72 : x
  2. Step 2: Convert to fraction form
    118,053.26/176,942.69 = 67,487.72/x
  3. Step 3: Cross multiply
    118,053.26x = 176,942.69 × 67,487.72
  4. Step 4: Simplify right side
    118,053.26x = 11,941,458,591.08
  5. Step 5: Solve for x
    x = 11,941,458,591.08/118,053.26
  6. Step 6: Final answer
    x = 101,153.15

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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.