Home / 140,027.97-193,230.92-79,590.23

Finding the Fourth Proportional to 140,027.97, 193,230.92 and 79,590.23

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Solution

The fourth proportional to 140,027.97, 193,230.92 and 79,590.23 is: 109,830.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,027.97 : 193,230.92 = 79,590.23 : x
  2. Step 2: Convert to fraction form
    140,027.97/193,230.92 = 79,590.23/x
  3. Step 3: Cross multiply
    140,027.97x = 193,230.92 × 79,590.23
  4. Step 4: Simplify right side
    140,027.97x = 15,379,292,001.81
  5. Step 5: Solve for x
    x = 15,379,292,001.81/140,027.97
  6. Step 6: Final answer
    x = 109,830.14

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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.