Home / 126,985.44-175,204.44-100,044.32

Finding the Fourth Proportional to 126,985.44, 175,204.44 and 100,044.32

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Solution

The fourth proportional to 126,985.44, 175,204.44 and 100,044.32 is: 138,033.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,985.44 : 175,204.44 = 100,044.32 : x
  2. Step 2: Convert to fraction form
    126,985.44/175,204.44 = 100,044.32/x
  3. Step 3: Cross multiply
    126,985.44x = 175,204.44 × 100,044.32
  4. Step 4: Simplify right side
    126,985.44x = 17,528,209,060.78
  5. Step 5: Solve for x
    x = 17,528,209,060.78/126,985.44
  6. Step 6: Final answer
    x = 138,033.22

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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.