Home / 126,310.76-174,308.86-69,722.14

Finding the Fourth Proportional to 126,310.76, 174,308.86 and 69,722.14

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Solution

The fourth proportional to 126,310.76, 174,308.86 and 69,722.14 is: 96,216.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,310.76 : 174,308.86 = 69,722.14 : x
  2. Step 2: Convert to fraction form
    126,310.76/174,308.86 = 69,722.14/x
  3. Step 3: Cross multiply
    126,310.76x = 174,308.86 × 69,722.14
  4. Step 4: Simplify right side
    126,310.76x = 12,153,186,740.16
  5. Step 5: Solve for x
    x = 12,153,186,740.16/126,310.76
  6. Step 6: Final answer
    x = 96,216.56

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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.