Home / 188,250.08-259,785.10-103,367.14

Finding the Fourth Proportional to 188,250.08, 259,785.10 and 103,367.14

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Solution

The fourth proportional to 188,250.08, 259,785.10 and 103,367.14 is: 142,646.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,250.08 : 259,785.10 = 103,367.14 : x
  2. Step 2: Convert to fraction form
    188,250.08/259,785.10 = 103,367.14/x
  3. Step 3: Cross multiply
    188,250.08x = 259,785.10 × 103,367.14
  4. Step 4: Simplify right side
    188,250.08x = 26,853,242,801.61
  5. Step 5: Solve for x
    x = 26,853,242,801.61/188,250.08
  6. Step 6: Final answer
    x = 142,646.65

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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.