Home / 205,849.60-284,077.52-115,204.84

Finding the Fourth Proportional to 205,849.60, 284,077.52 and 115,204.84

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Solution

The fourth proportional to 205,849.60, 284,077.52 and 115,204.84 is: 158,985.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,849.60 : 284,077.52 = 115,204.84 : x
  2. Step 2: Convert to fraction form
    205,849.60/284,077.52 = 115,204.84/x
  3. Step 3: Cross multiply
    205,849.60x = 284,077.52 × 115,204.84
  4. Step 4: Simplify right side
    205,849.60x = 32,727,105,239.20
  5. Step 5: Solve for x
    x = 32,727,105,239.20/205,849.60
  6. Step 6: Final answer
    x = 158,985.52

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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.