Home / 127,791.02-176,352.33-74,107.91

Finding the Fourth Proportional to 127,791.02, 176,352.33 and 74,107.91

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Solution

The fourth proportional to 127,791.02, 176,352.33 and 74,107.91 is: 102,269.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,791.02 : 176,352.33 = 74,107.91 : x
  2. Step 2: Convert to fraction form
    127,791.02/176,352.33 = 74,107.91/x
  3. Step 3: Cross multiply
    127,791.02x = 176,352.33 × 74,107.91
  4. Step 4: Simplify right side
    127,791.02x = 13,069,102,599.93
  5. Step 5: Solve for x
    x = 13,069,102,599.93/127,791.02
  6. Step 6: Final answer
    x = 102,269.33

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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.