Home / 330,664.72-495,691.08-120,246.16

Finding the Fourth Proportional to 330,664.72, 495,691.08 and 120,246.16

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Solution

The fourth proportional to 330,664.72, 495,691.08 and 120,246.16 is: 180,257.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,664.72 : 495,691.08 = 120,246.16 : x
  2. Step 2: Convert to fraction form
    330,664.72/495,691.08 = 120,246.16/x
  3. Step 3: Cross multiply
    330,664.72x = 495,691.08 × 120,246.16
  4. Step 4: Simplify right side
    330,664.72x = 59,604,948,916.25
  5. Step 5: Solve for x
    x = 59,604,948,916.25/330,664.72
  6. Step 6: Final answer
    x = 180,257.96

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1.5x scale

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.