Home / 421,036.06-581,033.85-230,049.44

Finding the Fourth Proportional to 421,036.06, 581,033.85 and 230,049.44

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Solution

The fourth proportional to 421,036.06, 581,033.85 and 230,049.44 is: 317,470.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,036.06 : 581,033.85 = 230,049.44 : x
  2. Step 2: Convert to fraction form
    421,036.06/581,033.85 = 230,049.44/x
  3. Step 3: Cross multiply
    421,036.06x = 581,033.85 × 230,049.44
  4. Step 4: Simplify right side
    421,036.06x = 133,666,511,813.54
  5. Step 5: Solve for x
    x = 133,666,511,813.54/421,036.06
  6. Step 6: Final answer
    x = 317,470.46

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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.