Home / 490,743.73-736,115.76-153,810.52

Finding the Fourth Proportional to 490,743.73, 736,115.76 and 153,810.52

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Solution

The fourth proportional to 490,743.73, 736,115.76 and 153,810.52 is: 230,715.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,743.73 : 736,115.76 = 153,810.52 : x
  2. Step 2: Convert to fraction form
    490,743.73/736,115.76 = 153,810.52/x
  3. Step 3: Cross multiply
    490,743.73x = 736,115.76 × 153,810.52
  4. Step 4: Simplify right side
    490,743.73x = 113,222,347,825.80
  5. Step 5: Solve for x
    x = 113,222,347,825.80/490,743.73
  6. Step 6: Final answer
    x = 230,715.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.