Home / 205,399.08-283,436.64-113,514.48

Finding the Fourth Proportional to 205,399.08, 283,436.64 and 113,514.48

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Solution

The fourth proportional to 205,399.08, 283,436.64 and 113,514.48 is: 156,642.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,399.08 : 283,436.64 = 113,514.48 : x
  2. Step 2: Convert to fraction form
    205,399.08/283,436.64 = 113,514.48/x
  3. Step 3: Cross multiply
    205,399.08x = 283,436.64 × 113,514.48
  4. Step 4: Simplify right side
    205,399.08x = 32,174,162,802.55
  5. Step 5: Solve for x
    x = 32,174,162,802.55/205,399.08
  6. Step 6: Final answer
    x = 156,642.20

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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.