Home / 206,721.16-285,289.39-114,851.52

Finding the Fourth Proportional to 206,721.16, 285,289.39 and 114,851.52

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Solution

The fourth proportional to 206,721.16, 285,289.39 and 114,851.52 is: 158,502.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,721.16 : 285,289.39 = 114,851.52 : x
  2. Step 2: Convert to fraction form
    206,721.16/285,289.39 = 114,851.52/x
  3. Step 3: Cross multiply
    206,721.16x = 285,289.39 × 114,851.52
  4. Step 4: Simplify right side
    206,721.16x = 32,765,920,224.94
  5. Step 5: Solve for x
    x = 32,765,920,224.94/206,721.16
  6. Step 6: Final answer
    x = 158,502.98

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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.