Home / 140,027.10-193,229.70-79,589.34

Finding the Fourth Proportional to 140,027.10, 193,229.70 and 79,589.34

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Solution

The fourth proportional to 140,027.10, 193,229.70 and 79,589.34 is: 109,828.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,027.10 : 193,229.70 = 79,589.34 : x
  2. Step 2: Convert to fraction form
    140,027.10/193,229.70 = 79,589.34/x
  3. Step 3: Cross multiply
    140,027.10x = 193,229.70 × 79,589.34
  4. Step 4: Simplify right side
    140,027.10x = 15,379,024,291.40
  5. Step 5: Solve for x
    x = 15,379,024,291.40/140,027.10
  6. Step 6: Final answer
    x = 109,828.91

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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.