Home / 204,712.02-307,137.69-124,909.74

Finding the Fourth Proportional to 204,712.02, 307,137.69 and 124,909.74

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Solution

The fourth proportional to 204,712.02, 307,137.69 and 124,909.74 is: 187,407.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,712.02 : 307,137.69 = 124,909.74 : x
  2. Step 2: Convert to fraction form
    204,712.02/307,137.69 = 124,909.74/x
  3. Step 3: Cross multiply
    204,712.02x = 307,137.69 × 124,909.74
  4. Step 4: Simplify right side
    204,712.02x = 38,364,489,002.10
  5. Step 5: Solve for x
    x = 38,364,489,002.10/204,712.02
  6. Step 6: Final answer
    x = 187,407.11

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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.