Home / 211,500.06-317,233.26-85,051.14

Finding the Fourth Proportional to 211,500.06, 317,233.26 and 85,051.14

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Solution

The fourth proportional to 211,500.06, 317,233.26 and 85,051.14 is: 127,569.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,500.06 : 317,233.26 = 85,051.14 : x
  2. Step 2: Convert to fraction form
    211,500.06/317,233.26 = 85,051.14/x
  3. Step 3: Cross multiply
    211,500.06x = 317,233.26 × 85,051.14
  4. Step 4: Simplify right side
    211,500.06x = 26,981,050,408.92
  5. Step 5: Solve for x
    x = 26,981,050,408.92/211,500.06
  6. Step 6: Final answer
    x = 127,569.94

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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.