Home / 206,217.24-284,566.32-121,317.92

Finding the Fourth Proportional to 206,217.24, 284,566.32 and 121,317.92

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Solution

The fourth proportional to 206,217.24, 284,566.32 and 121,317.92 is: 167,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,217.24 : 284,566.32 = 121,317.92 : x
  2. Step 2: Convert to fraction form
    206,217.24/284,566.32 = 121,317.92/x
  3. Step 3: Cross multiply
    206,217.24x = 284,566.32 × 121,317.92
  4. Step 4: Simplify right side
    206,217.24x = 34,522,994,044.45
  5. Step 5: Solve for x
    x = 34,522,994,044.45/206,217.24
  6. Step 6: Final answer
    x = 167,410.80

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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.