Home / 140,508.03-193,900.65-75,976.83

Finding the Fourth Proportional to 140,508.03, 193,900.65 and 75,976.83

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Solution

The fourth proportional to 140,508.03, 193,900.65 and 75,976.83 is: 104,847.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,508.03 : 193,900.65 = 75,976.83 : x
  2. Step 2: Convert to fraction form
    140,508.03/193,900.65 = 75,976.83/x
  3. Step 3: Cross multiply
    140,508.03x = 193,900.65 × 75,976.83
  4. Step 4: Simplify right side
    140,508.03x = 14,731,956,721.94
  5. Step 5: Solve for x
    x = 14,731,956,721.94/140,508.03
  6. Step 6: Final answer
    x = 104,847.79

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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.