Home / 204,294.60-306,077.40-98,881.20

Finding the Fourth Proportional to 204,294.60, 306,077.40 and 98,881.20

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Solution

The fourth proportional to 204,294.60, 306,077.40 and 98,881.20 is: 148,145.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,294.60 : 306,077.40 = 98,881.20 : x
  2. Step 2: Convert to fraction form
    204,294.60/306,077.40 = 98,881.20/x
  3. Step 3: Cross multiply
    204,294.60x = 306,077.40 × 98,881.20
  4. Step 4: Simplify right side
    204,294.60x = 30,265,300,604.88
  5. Step 5: Solve for x
    x = 30,265,300,604.88/204,294.60
  6. Step 6: Final answer
    x = 148,145.38

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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.