Home / 116,731.24-162,176.63-115,331.56

Finding the Fourth Proportional to 116,731.24, 162,176.63 and 115,331.56

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Solution

The fourth proportional to 116,731.24, 162,176.63 and 115,331.56 is: 160,232.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,731.24 : 162,176.63 = 115,331.56 : x
  2. Step 2: Convert to fraction form
    116,731.24/162,176.63 = 115,331.56/x
  3. Step 3: Cross multiply
    116,731.24x = 162,176.63 × 115,331.56
  4. Step 4: Simplify right side
    116,731.24x = 18,704,082,345.90
  5. Step 5: Solve for x
    x = 18,704,082,345.90/116,731.24
  6. Step 6: Final answer
    x = 160,232.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.