Home / 117,568.89-162,250.68-72,248.76

Finding the Fourth Proportional to 117,568.89, 162,250.68 and 72,248.76

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Solution

The fourth proportional to 117,568.89, 162,250.68 and 72,248.76 is: 99,706.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,568.89 : 162,250.68 = 72,248.76 : x
  2. Step 2: Convert to fraction form
    117,568.89/162,250.68 = 72,248.76/x
  3. Step 3: Cross multiply
    117,568.89x = 162,250.68 × 72,248.76
  4. Step 4: Simplify right side
    117,568.89x = 11,722,410,439.16
  5. Step 5: Solve for x
    x = 11,722,410,439.16/117,568.89
  6. Step 6: Final answer
    x = 99,706.74

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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.