Home / 171,269.12-236,293.72-99,590.20

Finding the Fourth Proportional to 171,269.12, 236,293.72 and 99,590.20

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Solution

The fourth proportional to 171,269.12, 236,293.72 and 99,590.20 is: 137,400.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,269.12 : 236,293.72 = 99,590.20 : x
  2. Step 2: Convert to fraction form
    171,269.12/236,293.72 = 99,590.20/x
  3. Step 3: Cross multiply
    171,269.12x = 236,293.72 × 99,590.20
  4. Step 4: Simplify right side
    171,269.12x = 23,532,538,833.54
  5. Step 5: Solve for x
    x = 23,532,538,833.54/171,269.12
  6. Step 6: Final answer
    x = 137,400.94

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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.