Home / 206,217.54-284,588.10-115,574.22

Finding the Fourth Proportional to 206,217.54, 284,588.10 and 115,574.22

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Solution

The fourth proportional to 206,217.54, 284,588.10 and 115,574.22 is: 159,496.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,217.54 : 284,588.10 = 115,574.22 : x
  2. Step 2: Convert to fraction form
    206,217.54/284,588.10 = 115,574.22/x
  3. Step 3: Cross multiply
    206,217.54x = 284,588.10 × 115,574.22
  4. Step 4: Simplify right side
    206,217.54x = 32,891,047,678.78
  5. Step 5: Solve for x
    x = 32,891,047,678.78/206,217.54
  6. Step 6: Final answer
    x = 159,496.85

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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.