Home / 131,301.20-196,951.80-37,816.40

Finding the Fourth Proportional to 131,301.20, 196,951.80 and 37,816.40

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Solution

The fourth proportional to 131,301.20, 196,951.80 and 37,816.40 is: 56,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,301.20 : 196,951.80 = 37,816.40 : x
  2. Step 2: Convert to fraction form
    131,301.20/196,951.80 = 37,816.40/x
  3. Step 3: Cross multiply
    131,301.20x = 196,951.80 × 37,816.40
  4. Step 4: Simplify right side
    131,301.20x = 7,448,008,049.52
  5. Step 5: Solve for x
    x = 7,448,008,049.52/131,301.20
  6. Step 6: Final answer
    x = 56,724.60

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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.