Home / 147,445.89-203,480.22-82,926.36

Finding the Fourth Proportional to 147,445.89, 203,480.22 and 82,926.36

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Solution

The fourth proportional to 147,445.89, 203,480.22 and 82,926.36 is: 114,441.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,445.89 : 203,480.22 = 82,926.36 : x
  2. Step 2: Convert to fraction form
    147,445.89/203,480.22 = 82,926.36/x
  3. Step 3: Cross multiply
    147,445.89x = 203,480.22 × 82,926.36
  4. Step 4: Simplify right side
    147,445.89x = 16,873,873,976.60
  5. Step 5: Solve for x
    x = 16,873,873,976.60/147,445.89
  6. Step 6: Final answer
    x = 114,441.13

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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.