Home / 205,018.16-282,924.56-115,593.52

Finding the Fourth Proportional to 205,018.16, 282,924.56 and 115,593.52

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Solution

The fourth proportional to 205,018.16, 282,924.56 and 115,593.52 is: 159,518.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,018.16 : 282,924.56 = 115,593.52 : x
  2. Step 2: Convert to fraction form
    205,018.16/282,924.56 = 115,593.52/x
  3. Step 3: Cross multiply
    205,018.16x = 282,924.56 × 115,593.52
  4. Step 4: Simplify right side
    205,018.16x = 32,704,245,784.85
  5. Step 5: Solve for x
    x = 32,704,245,784.85/205,018.16
  6. Step 6: Final answer
    x = 159,518.78

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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.