Home / 127,943.74-176,505.26-74,197.60

Finding the Fourth Proportional to 127,943.74, 176,505.26 and 74,197.60

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Solution

The fourth proportional to 127,943.74, 176,505.26 and 74,197.60 is: 102,359.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,943.74 : 176,505.26 = 74,197.60 : x
  2. Step 2: Convert to fraction form
    127,943.74/176,505.26 = 74,197.60/x
  3. Step 3: Cross multiply
    127,943.74x = 176,505.26 × 74,197.60
  4. Step 4: Simplify right side
    127,943.74x = 13,096,267,277.33
  5. Step 5: Solve for x
    x = 13,096,267,277.33/127,943.74
  6. Step 6: Final answer
    x = 102,359.58

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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.