Home / 140,534.91-193,956.96-79,293.70

Finding the Fourth Proportional to 140,534.91, 193,956.96 and 79,293.70

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Solution

The fourth proportional to 140,534.91, 193,956.96 and 79,293.70 is: 109,435.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,534.91 : 193,956.96 = 79,293.70 : x
  2. Step 2: Convert to fraction form
    140,534.91/193,956.96 = 79,293.70/x
  3. Step 3: Cross multiply
    140,534.91x = 193,956.96 × 79,293.70
  4. Step 4: Simplify right side
    140,534.91x = 15,379,565,538.95
  5. Step 5: Solve for x
    x = 15,379,565,538.95/140,534.91
  6. Step 6: Final answer
    x = 109,435.91

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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.