Home / 126,353.56-174,367.80-69,765.28

Finding the Fourth Proportional to 126,353.56, 174,367.80 and 69,765.28

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Solution

The fourth proportional to 126,353.56, 174,367.80 and 69,765.28 is: 96,276.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,353.56 : 174,367.80 = 69,765.28 : x
  2. Step 2: Convert to fraction form
    126,353.56/174,367.80 = 69,765.28/x
  3. Step 3: Cross multiply
    126,353.56x = 174,367.80 × 69,765.28
  4. Step 4: Simplify right side
    126,353.56x = 12,164,818,389.98
  5. Step 5: Solve for x
    x = 12,164,818,389.98/126,353.56
  6. Step 6: Final answer
    x = 96,276.02

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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.