Home / 131,317.20-196,975.80-37,832.40

Finding the Fourth Proportional to 131,317.20, 196,975.80 and 37,832.40

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Solution

The fourth proportional to 131,317.20, 196,975.80 and 37,832.40 is: 56,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,317.20 : 196,975.80 = 37,832.40 : x
  2. Step 2: Convert to fraction form
    131,317.20/196,975.80 = 37,832.40/x
  3. Step 3: Cross multiply
    131,317.20x = 196,975.80 × 37,832.40
  4. Step 4: Simplify right side
    131,317.20x = 7,452,067,255.92
  5. Step 5: Solve for x
    x = 7,452,067,255.92/131,317.20
  6. Step 6: Final answer
    x = 56,748.60

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Similar ratio
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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.