Home / 330,320.20-495,480.30-93,670.60

Finding the Fourth Proportional to 330,320.20, 495,480.30 and 93,670.60

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Solution

The fourth proportional to 330,320.20, 495,480.30 and 93,670.60 is: 140,505.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,320.20 : 495,480.30 = 93,670.60 : x
  2. Step 2: Convert to fraction form
    330,320.20/495,480.30 = 93,670.60/x
  3. Step 3: Cross multiply
    330,320.20x = 495,480.30 × 93,670.60
  4. Step 4: Simplify right side
    330,320.20x = 46,411,936,989.18
  5. Step 5: Solve for x
    x = 46,411,936,989.18/330,320.20
  6. Step 6: Final answer
    x = 140,505.90

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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.