Home / 147,843.42-204,023.99-79,860.39

Finding the Fourth Proportional to 147,843.42, 204,023.99 and 79,860.39

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Solution

The fourth proportional to 147,843.42, 204,023.99 and 79,860.39 is: 110,207.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,843.42 : 204,023.99 = 79,860.39 : x
  2. Step 2: Convert to fraction form
    147,843.42/204,023.99 = 79,860.39/x
  3. Step 3: Cross multiply
    147,843.42x = 204,023.99 × 79,860.39
  4. Step 4: Simplify right side
    147,843.42x = 16,293,435,194.53
  5. Step 5: Solve for x
    x = 16,293,435,194.53/147,843.42
  6. Step 6: Final answer
    x = 110,207.38

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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.