Home / 147,140.07-203,039.25-82,594.52

Finding the Fourth Proportional to 147,140.07, 203,039.25 and 82,594.52

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Solution

The fourth proportional to 147,140.07, 203,039.25 and 82,594.52 is: 113,972.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,140.07 : 203,039.25 = 82,594.52 : x
  2. Step 2: Convert to fraction form
    147,140.07/203,039.25 = 82,594.52/x
  3. Step 3: Cross multiply
    147,140.07x = 203,039.25 × 82,594.52
  4. Step 4: Simplify right side
    147,140.07x = 16,769,929,394.91
  5. Step 5: Solve for x
    x = 16,769,929,394.91/147,140.07
  6. Step 6: Final answer
    x = 113,972.55

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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.