Home / 205,679.92-283,837.47-115,035.52

Finding the Fourth Proportional to 205,679.92, 283,837.47 and 115,035.52

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Solution

The fourth proportional to 205,679.92, 283,837.47 and 115,035.52 is: 158,748.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,679.92 : 283,837.47 = 115,035.52 : x
  2. Step 2: Convert to fraction form
    205,679.92/283,837.47 = 115,035.52/x
  3. Step 3: Cross multiply
    205,679.92x = 283,837.47 × 115,035.52
  4. Step 4: Simplify right side
    205,679.92x = 32,651,390,956.93
  5. Step 5: Solve for x
    x = 32,651,390,956.93/205,679.92
  6. Step 6: Final answer
    x = 158,748.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.