Home / 126,435.12-174,480.36-69,846.24

Finding the Fourth Proportional to 126,435.12, 174,480.36 and 69,846.24

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Solution

The fourth proportional to 126,435.12, 174,480.36 and 69,846.24 is: 96,387.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,435.12 : 174,480.36 = 69,846.24 : x
  2. Step 2: Convert to fraction form
    126,435.12/174,480.36 = 69,846.24/x
  3. Step 3: Cross multiply
    126,435.12x = 174,480.36 × 69,846.24
  4. Step 4: Simplify right side
    126,435.12x = 12,186,797,099.85
  5. Step 5: Solve for x
    x = 12,186,797,099.85/126,435.12
  6. Step 6: Final answer
    x = 96,387.75

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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.