Home / 316,976.62-437,472.57-196,156.83

Finding the Fourth Proportional to 316,976.62, 437,472.57 and 196,156.83

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Solution

The fourth proportional to 316,976.62, 437,472.57 and 196,156.83 is: 270,724.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,976.62 : 437,472.57 = 196,156.83 : x
  2. Step 2: Convert to fraction form
    316,976.62/437,472.57 = 196,156.83/x
  3. Step 3: Cross multiply
    316,976.62x = 437,472.57 × 196,156.83
  4. Step 4: Simplify right side
    316,976.62x = 85,813,232,543.15
  5. Step 5: Solve for x
    x = 85,813,232,543.15/316,976.62
  6. Step 6: Final answer
    x = 270,724.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.