Home / 126,293.47-174,272.58-69,701.20

Finding the Fourth Proportional to 126,293.47, 174,272.58 and 69,701.20

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Solution

The fourth proportional to 126,293.47, 174,272.58 and 69,701.20 is: 96,180.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,293.47 : 174,272.58 = 69,701.20 : x
  2. Step 2: Convert to fraction form
    126,293.47/174,272.58 = 69,701.20/x
  3. Step 3: Cross multiply
    126,293.47x = 174,272.58 × 69,701.20
  4. Step 4: Simplify right side
    126,293.47x = 12,147,007,517.41
  5. Step 5: Solve for x
    x = 12,147,007,517.41/126,293.47
  6. Step 6: Final answer
    x = 96,180.81

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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.