Home / 126,269.12-174,255.57-68,911.58

Finding the Fourth Proportional to 126,269.12, 174,255.57 and 68,911.58

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Solution

The fourth proportional to 126,269.12, 174,255.57 and 68,911.58 is: 95,100.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,269.12 : 174,255.57 = 68,911.58 : x
  2. Step 2: Convert to fraction form
    126,269.12/174,255.57 = 68,911.58/x
  3. Step 3: Cross multiply
    126,269.12x = 174,255.57 × 68,911.58
  4. Step 4: Simplify right side
    126,269.12x = 12,008,225,781.22
  5. Step 5: Solve for x
    x = 12,008,225,781.22/126,269.12
  6. Step 6: Final answer
    x = 95,100.26

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1.5x scale

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.