Home / 315,066.20-472,599.30-173,348.60

Finding the Fourth Proportional to 315,066.20, 472,599.30 and 173,348.60

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Solution

The fourth proportional to 315,066.20, 472,599.30 and 173,348.60 is: 260,022.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,066.20 : 472,599.30 = 173,348.60 : x
  2. Step 2: Convert to fraction form
    315,066.20/472,599.30 = 173,348.60/x
  3. Step 3: Cross multiply
    315,066.20x = 472,599.30 × 173,348.60
  4. Step 4: Simplify right side
    315,066.20x = 81,924,427,015.98
  5. Step 5: Solve for x
    x = 81,924,427,015.98/315,066.20
  6. Step 6: Final answer
    x = 260,022.90

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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.