Home / 126,621.64-174,622.26-108,710.92

Finding the Fourth Proportional to 126,621.64, 174,622.26 and 108,710.92

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Solution

The fourth proportional to 126,621.64, 174,622.26 and 108,710.92 is: 149,921.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,621.64 : 174,622.26 = 108,710.92 : x
  2. Step 2: Convert to fraction form
    126,621.64/174,622.26 = 108,710.92/x
  3. Step 3: Cross multiply
    126,621.64x = 174,622.26 × 108,710.92
  4. Step 4: Simplify right side
    126,621.64x = 18,983,346,537.08
  5. Step 5: Solve for x
    x = 18,983,346,537.08/126,621.64
  6. Step 6: Final answer
    x = 149,921.82

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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.