Home / 126,164.16-189,377.46-92,921.76

Finding the Fourth Proportional to 126,164.16, 189,377.46 and 92,921.76

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Solution

The fourth proportional to 126,164.16, 189,377.46 and 92,921.76 is: 139,479.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,164.16 : 189,377.46 = 92,921.76 : x
  2. Step 2: Convert to fraction form
    126,164.16/189,377.46 = 92,921.76/x
  3. Step 3: Cross multiply
    126,164.16x = 189,377.46 × 92,921.76
  4. Step 4: Simplify right side
    126,164.16x = 17,597,286,887.53
  5. Step 5: Solve for x
    x = 17,597,286,887.53/126,164.16
  6. Step 6: Final answer
    x = 139,479.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.