Home / 206,223.47-284,290.18-144,782.61

Finding the Fourth Proportional to 206,223.47, 284,290.18 and 144,782.61

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Solution

The fourth proportional to 206,223.47, 284,290.18 and 144,782.61 is: 199,590.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,223.47 : 284,290.18 = 144,782.61 : x
  2. Step 2: Convert to fraction form
    206,223.47/284,290.18 = 144,782.61/x
  3. Step 3: Cross multiply
    206,223.47x = 284,290.18 × 144,782.61
  4. Step 4: Simplify right side
    206,223.47x = 41,160,276,042.83
  5. Step 5: Solve for x
    x = 41,160,276,042.83/206,223.47
  6. Step 6: Final answer
    x = 199,590.64

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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.