Home / 204,079.34-306,122.12-77,726.60

Finding the Fourth Proportional to 204,079.34, 306,122.12 and 77,726.60

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Solution

The fourth proportional to 204,079.34, 306,122.12 and 77,726.60 is: 116,591.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,079.34 : 306,122.12 = 77,726.60 : x
  2. Step 2: Convert to fraction form
    204,079.34/306,122.12 = 77,726.60/x
  3. Step 3: Cross multiply
    204,079.34x = 306,122.12 × 77,726.60
  4. Step 4: Simplify right side
    204,079.34x = 23,793,829,653.15
  5. Step 5: Solve for x
    x = 23,793,829,653.15/204,079.34
  6. Step 6: Final answer
    x = 116,591.08

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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.