Home / 206,921.48-285,543.76-116,281.24

Finding the Fourth Proportional to 206,921.48, 285,543.76 and 116,281.24

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Solution

The fourth proportional to 206,921.48, 285,543.76 and 116,281.24 is: 160,463.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,921.48 : 285,543.76 = 116,281.24 : x
  2. Step 2: Convert to fraction form
    206,921.48/285,543.76 = 116,281.24/x
  3. Step 3: Cross multiply
    206,921.48x = 285,543.76 × 116,281.24
  4. Step 4: Simplify right side
    206,921.48x = 33,203,382,487.06
  5. Step 5: Solve for x
    x = 33,203,382,487.06/206,921.48
  6. Step 6: Final answer
    x = 160,463.68

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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.