Home / 127,287.90-175,637.77-73,562.54

Finding the Fourth Proportional to 127,287.90, 175,637.77 and 73,562.54

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Solution

The fourth proportional to 127,287.90, 175,637.77 and 73,562.54 is: 101,505.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,287.90 : 175,637.77 = 73,562.54 : x
  2. Step 2: Convert to fraction form
    127,287.90/175,637.77 = 73,562.54/x
  3. Step 3: Cross multiply
    127,287.90x = 175,637.77 × 73,562.54
  4. Step 4: Simplify right side
    127,287.90x = 12,920,360,223.36
  5. Step 5: Solve for x
    x = 12,920,360,223.36/127,287.90
  6. Step 6: Final answer
    x = 101,505.02

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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.