Home / 157,587.24-217,469.94-85,966.75

Finding the Fourth Proportional to 157,587.24, 217,469.94 and 85,966.75

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Solution

The fourth proportional to 157,587.24, 217,469.94 and 85,966.75 is: 118,633.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,587.24 : 217,469.94 = 85,966.75 : x
  2. Step 2: Convert to fraction form
    157,587.24/217,469.94 = 85,966.75/x
  3. Step 3: Cross multiply
    157,587.24x = 217,469.94 × 85,966.75
  4. Step 4: Simplify right side
    157,587.24x = 18,695,183,964.50
  5. Step 5: Solve for x
    x = 18,695,183,964.50/157,587.24
  6. Step 6: Final answer
    x = 118,633.87

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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.