Home / 140,898.50-211,375.38-52,152.76

Finding the Fourth Proportional to 140,898.50, 211,375.38 and 52,152.76

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Solution

The fourth proportional to 140,898.50, 211,375.38 and 52,152.76 is: 78,239.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,898.50 : 211,375.38 = 52,152.76 : x
  2. Step 2: Convert to fraction form
    140,898.50/211,375.38 = 52,152.76/x
  3. Step 3: Cross multiply
    140,898.50x = 211,375.38 × 52,152.76
  4. Step 4: Simplify right side
    140,898.50x = 11,023,809,463.05
  5. Step 5: Solve for x
    x = 11,023,809,463.05/140,898.50
  6. Step 6: Final answer
    x = 78,239.37

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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.