Home / 117,964.68-162,793.20-64,250.76

Finding the Fourth Proportional to 117,964.68, 162,793.20 and 64,250.76

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Solution

The fourth proportional to 117,964.68, 162,793.20 and 64,250.76 is: 88,667.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,964.68 : 162,793.20 = 64,250.76 : x
  2. Step 2: Convert to fraction form
    117,964.68/162,793.20 = 64,250.76/x
  3. Step 3: Cross multiply
    117,964.68x = 162,793.20 × 64,250.76
  4. Step 4: Simplify right side
    117,964.68x = 10,459,586,822.83
  5. Step 5: Solve for x
    x = 10,459,586,822.83/117,964.68
  6. Step 6: Final answer
    x = 88,667.11

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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.