Home / 126,329.22-174,397.46-78,597.95

Finding the Fourth Proportional to 126,329.22, 174,397.46 and 78,597.95

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Solution

The fourth proportional to 126,329.22, 174,397.46 and 78,597.95 is: 108,504.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,329.22 : 174,397.46 = 78,597.95 : x
  2. Step 2: Convert to fraction form
    126,329.22/174,397.46 = 78,597.95/x
  3. Step 3: Cross multiply
    126,329.22x = 174,397.46 × 78,597.95
  4. Step 4: Simplify right side
    126,329.22x = 13,707,281,576.23
  5. Step 5: Solve for x
    x = 13,707,281,576.23/126,329.22
  6. Step 6: Final answer
    x = 108,504.44

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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.