Home / 140,041.19-193,255.96-79,611.83

Finding the Fourth Proportional to 140,041.19, 193,255.96 and 79,611.83

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Solution

The fourth proportional to 140,041.19, 193,255.96 and 79,611.83 is: 109,863.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,041.19 : 193,255.96 = 79,611.83 : x
  2. Step 2: Convert to fraction form
    140,041.19/193,255.96 = 79,611.83/x
  3. Step 3: Cross multiply
    140,041.19x = 193,255.96 × 79,611.83
  4. Step 4: Simplify right side
    140,041.19x = 15,385,461,429.74
  5. Step 5: Solve for x
    x = 15,385,461,429.74/140,041.19
  6. Step 6: Final answer
    x = 109,863.83

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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.