Home / 126,242.54-174,218.34-69,657.56

Finding the Fourth Proportional to 126,242.54, 174,218.34 and 69,657.56

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Solution

The fourth proportional to 126,242.54, 174,218.34 and 69,657.56 is: 96,129.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,242.54 : 174,218.34 = 69,657.56 : x
  2. Step 2: Convert to fraction form
    126,242.54/174,218.34 = 69,657.56/x
  3. Step 3: Cross multiply
    126,242.54x = 174,218.34 × 69,657.56
  4. Step 4: Simplify right side
    126,242.54x = 12,135,623,600.56
  5. Step 5: Solve for x
    x = 12,135,623,600.56/126,242.54
  6. Step 6: Final answer
    x = 96,129.44

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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.