Home / 112,216.80-154,793.88-71,916.24

Finding the Fourth Proportional to 112,216.80, 154,793.88 and 71,916.24

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Solution

The fourth proportional to 112,216.80, 154,793.88 and 71,916.24 is: 99,202.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,216.80 : 154,793.88 = 71,916.24 : x
  2. Step 2: Convert to fraction form
    112,216.80/154,793.88 = 71,916.24/x
  3. Step 3: Cross multiply
    112,216.80x = 154,793.88 × 71,916.24
  4. Step 4: Simplify right side
    112,216.80x = 11,132,193,824.61
  5. Step 5: Solve for x
    x = 11,132,193,824.61/112,216.80
  6. Step 6: Final answer
    x = 99,202.56

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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.