Home / 126,454.72-174,505.44-69,868.48

Finding the Fourth Proportional to 126,454.72, 174,505.44 and 69,868.48

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Solution

The fourth proportional to 126,454.72, 174,505.44 and 69,868.48 is: 96,417.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,454.72 : 174,505.44 = 69,868.48 : x
  2. Step 2: Convert to fraction form
    126,454.72/174,505.44 = 69,868.48/x
  3. Step 3: Cross multiply
    126,454.72x = 174,505.44 × 69,868.48
  4. Step 4: Simplify right side
    126,454.72x = 12,192,429,844.53
  5. Step 5: Solve for x
    x = 12,192,429,844.53/126,454.72
  6. Step 6: Final answer
    x = 96,417.36

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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.