Home / 147,435.04-203,452.68-83,764

Finding the Fourth Proportional to 147,435.04, 203,452.68 and 83,764

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Solution

The fourth proportional to 147,435.04, 203,452.68 and 83,764 is: 115,589.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,435.04 : 203,452.68 = 83,764 : x
  2. Step 2: Convert to fraction form
    147,435.04/203,452.68 = 83,764/x
  3. Step 3: Cross multiply
    147,435.04x = 203,452.68 × 83,764
  4. Step 4: Simplify right side
    147,435.04x = 17,042,010,287.52
  5. Step 5: Solve for x
    x = 17,042,010,287.52/147,435.04
  6. Step 6: Final answer
    x = 115,589.96

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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.