Home / 127,007.48-175,190.00-81,607.43

Finding the Fourth Proportional to 127,007.48, 175,190.00 and 81,607.43

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Solution

The fourth proportional to 127,007.48, 175,190.00 and 81,607.43 is: 112,566.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,007.48 : 175,190.00 = 81,607.43 : x
  2. Step 2: Convert to fraction form
    127,007.48/175,190.00 = 81,607.43/x
  3. Step 3: Cross multiply
    127,007.48x = 175,190.00 × 81,607.43
  4. Step 4: Simplify right side
    127,007.48x = 14,296,805,691.64
  5. Step 5: Solve for x
    x = 14,296,805,691.64/127,007.48
  6. Step 6: Final answer
    x = 112,566.64

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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.