Home / 157,231.11-216,983.57-85,614.15

Finding the Fourth Proportional to 157,231.11, 216,983.57 and 85,614.15

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Solution

The fourth proportional to 157,231.11, 216,983.57 and 85,614.15 is: 118,150.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,231.11 : 216,983.57 = 85,614.15 : x
  2. Step 2: Convert to fraction form
    157,231.11/216,983.57 = 85,614.15/x
  3. Step 3: Cross multiply
    157,231.11x = 216,983.57 × 85,614.15
  4. Step 4: Simplify right side
    157,231.11x = 18,576,863,481.44
  5. Step 5: Solve for x
    x = 18,576,863,481.44/157,231.11
  6. Step 6: Final answer
    x = 118,150.05

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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.