Home / 140,945.36-211,282.50-52,174.76

Finding the Fourth Proportional to 140,945.36, 211,282.50 and 52,174.76

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Solution

The fourth proportional to 140,945.36, 211,282.50 and 52,174.76 is: 78,211.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,945.36 : 211,282.50 = 52,174.76 : x
  2. Step 2: Convert to fraction form
    140,945.36/211,282.50 = 52,174.76/x
  3. Step 3: Cross multiply
    140,945.36x = 211,282.50 × 52,174.76
  4. Step 4: Simplify right side
    140,945.36x = 11,023,613,729.70
  5. Step 5: Solve for x
    x = 11,023,613,729.70/140,945.36
  6. Step 6: Final answer
    x = 78,211.97

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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.