Home / 188,176.90-259,702.56-107,616.31

Finding the Fourth Proportional to 188,176.90, 259,702.56 and 107,616.31

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Solution

The fourth proportional to 188,176.90, 259,702.56 and 107,616.31 is: 148,521.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,176.90 : 259,702.56 = 107,616.31 : x
  2. Step 2: Convert to fraction form
    188,176.90/259,702.56 = 107,616.31/x
  3. Step 3: Cross multiply
    188,176.90x = 259,702.56 × 107,616.31
  4. Step 4: Simplify right side
    188,176.90x = 27,948,231,204.75
  5. Step 5: Solve for x
    x = 27,948,231,204.75/188,176.90
  6. Step 6: Final answer
    x = 148,521.05

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1.5x scale

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.