Home / 331,492.20-496,946.70-198,425.40

Finding the Fourth Proportional to 331,492.20, 496,946.70 and 198,425.40

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Solution

The fourth proportional to 331,492.20, 496,946.70 and 198,425.40 is: 297,463.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,492.20 : 496,946.70 = 198,425.40 : x
  2. Step 2: Convert to fraction form
    331,492.20/496,946.70 = 198,425.40/x
  3. Step 3: Cross multiply
    331,492.20x = 496,946.70 × 198,425.40
  4. Step 4: Simplify right side
    331,492.20x = 98,606,847,726.18
  5. Step 5: Solve for x
    x = 98,606,847,726.18/331,492.20
  6. Step 6: Final answer
    x = 297,463.55

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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.