Home / 219,640.20-329,460.30-192,521.40

Finding the Fourth Proportional to 219,640.20, 329,460.30 and 192,521.40

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Solution

The fourth proportional to 219,640.20, 329,460.30 and 192,521.40 is: 288,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,640.20 : 329,460.30 = 192,521.40 : x
  2. Step 2: Convert to fraction form
    219,640.20/329,460.30 = 192,521.40/x
  3. Step 3: Cross multiply
    219,640.20x = 329,460.30 × 192,521.40
  4. Step 4: Simplify right side
    219,640.20x = 63,428,158,200.42
  5. Step 5: Solve for x
    x = 63,428,158,200.42/219,640.20
  6. Step 6: Final answer
    x = 288,782.10

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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.