Home / 126,593.02-174,539.52-81,190.90

Finding the Fourth Proportional to 126,593.02, 174,539.52 and 81,190.90

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Solution

The fourth proportional to 126,593.02, 174,539.52 and 81,190.90 is: 111,941.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,593.02 : 174,539.52 = 81,190.90 : x
  2. Step 2: Convert to fraction form
    126,593.02/174,539.52 = 81,190.90/x
  3. Step 3: Cross multiply
    126,593.02x = 174,539.52 × 81,190.90
  4. Step 4: Simplify right side
    126,593.02x = 14,171,020,714.37
  5. Step 5: Solve for x
    x = 14,171,020,714.37/126,593.02
  6. Step 6: Final answer
    x = 111,941.56

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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.