Home / 204,680.02-307,306.95-104,911.78

Finding the Fourth Proportional to 204,680.02, 307,306.95 and 104,911.78

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Solution

The fourth proportional to 204,680.02, 307,306.95 and 104,911.78 is: 157,514.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,680.02 : 307,306.95 = 104,911.78 : x
  2. Step 2: Convert to fraction form
    204,680.02/307,306.95 = 104,911.78/x
  3. Step 3: Cross multiply
    204,680.02x = 307,306.95 × 104,911.78
  4. Step 4: Simplify right side
    204,680.02x = 32,240,119,130.87
  5. Step 5: Solve for x
    x = 32,240,119,130.87/204,680.02
  6. Step 6: Final answer
    x = 157,514.74

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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.