Home / 205,076.13-307,612.35-64,834.80

Finding the Fourth Proportional to 205,076.13, 307,612.35 and 64,834.80

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Solution

The fourth proportional to 205,076.13, 307,612.35 and 64,834.80 is: 97,251.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,076.13 : 307,612.35 = 64,834.80 : x
  2. Step 2: Convert to fraction form
    205,076.13/307,612.35 = 64,834.80/x
  3. Step 3: Cross multiply
    205,076.13x = 307,612.35 × 64,834.80
  4. Step 4: Simplify right side
    205,076.13x = 19,943,985,189.78
  5. Step 5: Solve for x
    x = 19,943,985,189.78/205,076.13
  6. Step 6: Final answer
    x = 97,251.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.