Home / 132,890.24-197,853-131,028.86

Finding the Fourth Proportional to 132,890.24, 197,853 and 131,028.86

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Solution

The fourth proportional to 132,890.24, 197,853 and 131,028.86 is: 195,081.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,890.24 : 197,853 = 131,028.86 : x
  2. Step 2: Convert to fraction form
    132,890.24/197,853 = 131,028.86/x
  3. Step 3: Cross multiply
    132,890.24x = 197,853 × 131,028.86
  4. Step 4: Simplify right side
    132,890.24x = 25,924,452,048.32
  5. Step 5: Solve for x
    x = 25,924,452,048.32/132,890.24
  6. Step 6: Final answer
    x = 195,081.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.