Home / 117,912.05-162,718.65-64,197.07

Finding the Fourth Proportional to 117,912.05, 162,718.65 and 64,197.07

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Solution

The fourth proportional to 117,912.05, 162,718.65 and 64,197.07 is: 88,591.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,912.05 : 162,718.65 = 64,197.07 : x
  2. Step 2: Convert to fraction form
    117,912.05/162,718.65 = 64,197.07/x
  3. Step 3: Cross multiply
    117,912.05x = 162,718.65 × 64,197.07
  4. Step 4: Simplify right side
    117,912.05x = 10,446,060,157.56
  5. Step 5: Solve for x
    x = 10,446,060,157.56/117,912.05
  6. Step 6: Final answer
    x = 88,591.97

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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.