Home / 157,736.20-217,673.10-89,751.70

Finding the Fourth Proportional to 157,736.20, 217,673.10 and 89,751.70

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Solution

The fourth proportional to 157,736.20, 217,673.10 and 89,751.70 is: 123,855.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,736.20 : 217,673.10 = 89,751.70 : x
  2. Step 2: Convert to fraction form
    157,736.20/217,673.10 = 89,751.70/x
  3. Step 3: Cross multiply
    157,736.20x = 217,673.10 × 89,751.70
  4. Step 4: Simplify right side
    157,736.20x = 19,536,530,769.27
  5. Step 5: Solve for x
    x = 19,536,530,769.27/157,736.20
  6. Step 6: Final answer
    x = 123,855.72

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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.