Home / 112,231.68-154,826.28-66,883.56

Finding the Fourth Proportional to 112,231.68, 154,826.28 and 66,883.56

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Solution

The fourth proportional to 112,231.68, 154,826.28 and 66,883.56 is: 92,267.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,231.68 : 154,826.28 = 66,883.56 : x
  2. Step 2: Convert to fraction form
    112,231.68/154,826.28 = 66,883.56/x
  3. Step 3: Cross multiply
    112,231.68x = 154,826.28 × 66,883.56
  4. Step 4: Simplify right side
    112,231.68x = 10,355,332,787.96
  5. Step 5: Solve for x
    x = 10,355,332,787.96/112,231.68
  6. Step 6: Final answer
    x = 92,267.47

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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.