Home / 147,998.44-204,233.70-80,929

Finding the Fourth Proportional to 147,998.44, 204,233.70 and 80,929

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Solution

The fourth proportional to 147,998.44, 204,233.70 and 80,929 is: 111,679.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,998.44 : 204,233.70 = 80,929 : x
  2. Step 2: Convert to fraction form
    147,998.44/204,233.70 = 80,929/x
  3. Step 3: Cross multiply
    147,998.44x = 204,233.70 × 80,929
  4. Step 4: Simplify right side
    147,998.44x = 16,528,429,107.30
  5. Step 5: Solve for x
    x = 16,528,429,107.30/147,998.44
  6. Step 6: Final answer
    x = 111,679.75

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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.