Home / 126,592.02-174,538.14-81,189.90

Finding the Fourth Proportional to 126,592.02, 174,538.14 and 81,189.90

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Solution

The fourth proportional to 126,592.02, 174,538.14 and 81,189.90 is: 111,940.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,592.02 : 174,538.14 = 81,189.90 : x
  2. Step 2: Convert to fraction form
    126,592.02/174,538.14 = 81,189.90/x
  3. Step 3: Cross multiply
    126,592.02x = 174,538.14 × 81,189.90
  4. Step 4: Simplify right side
    126,592.02x = 14,170,734,132.79
  5. Step 5: Solve for x
    x = 14,170,734,132.79/126,592.02
  6. Step 6: Final answer
    x = 111,940.18

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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.