Home / 131,618.91-197,449.01-56,760.33

Finding the Fourth Proportional to 131,618.91, 197,449.01 and 56,760.33

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Solution

The fourth proportional to 131,618.91, 197,449.01 and 56,760.33 is: 85,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,618.91 : 197,449.01 = 56,760.33 : x
  2. Step 2: Convert to fraction form
    131,618.91/197,449.01 = 56,760.33/x
  3. Step 3: Cross multiply
    131,618.91x = 197,449.01 × 56,760.33
  4. Step 4: Simplify right side
    131,618.91x = 11,207,270,965.77
  5. Step 5: Solve for x
    x = 11,207,270,965.77/131,618.91
  6. Step 6: Final answer
    x = 85,149.40

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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.