Home / 126,596.32-174,650.16-72,868.48

Finding the Fourth Proportional to 126,596.32, 174,650.16 and 72,868.48

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Solution

The fourth proportional to 126,596.32, 174,650.16 and 72,868.48 is: 100,528.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,596.32 : 174,650.16 = 72,868.48 : x
  2. Step 2: Convert to fraction form
    126,596.32/174,650.16 = 72,868.48/x
  3. Step 3: Cross multiply
    126,596.32x = 174,650.16 × 72,868.48
  4. Step 4: Simplify right side
    126,596.32x = 12,726,491,690.96
  5. Step 5: Solve for x
    x = 12,726,491,690.96/126,596.32
  6. Step 6: Final answer
    x = 100,528.13

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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.