Home / 387,365.22-581,081.31-106,882.47

Finding the Fourth Proportional to 387,365.22, 581,081.31 and 106,882.47

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Solution

The fourth proportional to 387,365.22, 581,081.31 and 106,882.47 is: 160,332.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,365.22 : 581,081.31 = 106,882.47 : x
  2. Step 2: Convert to fraction form
    387,365.22/581,081.31 = 106,882.47/x
  3. Step 3: Cross multiply
    387,365.22x = 581,081.31 × 106,882.47
  4. Step 4: Simplify right side
    387,365.22x = 62,107,405,683.64
  5. Step 5: Solve for x
    x = 62,107,405,683.64/387,365.22
  6. Step 6: Final answer
    x = 160,332.94

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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.