Home / 205,076.16-307,612.32-64,834.80

Finding the Fourth Proportional to 205,076.16, 307,612.32 and 64,834.80

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Solution

The fourth proportional to 205,076.16, 307,612.32 and 64,834.80 is: 97,251.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,076.16 : 307,612.32 = 64,834.80 : x
  2. Step 2: Convert to fraction form
    205,076.16/307,612.32 = 64,834.80/x
  3. Step 3: Cross multiply
    205,076.16x = 307,612.32 × 64,834.80
  4. Step 4: Simplify right side
    205,076.16x = 19,943,983,244.74
  5. Step 5: Solve for x
    x = 19,943,983,244.74/205,076.16
  6. Step 6: Final answer
    x = 97,251.59

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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.