Home / 127,042.02-175,224.87-91,268.78

Finding the Fourth Proportional to 127,042.02, 175,224.87 and 91,268.78

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Solution

The fourth proportional to 127,042.02, 175,224.87 and 91,268.78 is: 125,884.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,042.02 : 175,224.87 = 91,268.78 : x
  2. Step 2: Convert to fraction form
    127,042.02/175,224.87 = 91,268.78/x
  3. Step 3: Cross multiply
    127,042.02x = 175,224.87 × 91,268.78
  4. Step 4: Simplify right side
    127,042.02x = 15,992,559,234.43
  5. Step 5: Solve for x
    x = 15,992,559,234.43/127,042.02
  6. Step 6: Final answer
    x = 125,884.01

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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.