Home / 126,480.06-174,536.88-69,890.22

Finding the Fourth Proportional to 126,480.06, 174,536.88 and 69,890.22

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Solution

The fourth proportional to 126,480.06, 174,536.88 and 69,890.22 is: 96,445.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,480.06 : 174,536.88 = 69,890.22 : x
  2. Step 2: Convert to fraction form
    126,480.06/174,536.88 = 69,890.22/x
  3. Step 3: Cross multiply
    126,480.06x = 174,536.88 × 69,890.22
  4. Step 4: Simplify right side
    126,480.06x = 12,198,420,941.31
  5. Step 5: Solve for x
    x = 12,198,420,941.31/126,480.06
  6. Step 6: Final answer
    x = 96,445.41

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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.