Home / 206,720.04-310,081.28-73,605.48

Finding the Fourth Proportional to 206,720.04, 310,081.28 and 73,605.48

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Solution

The fourth proportional to 206,720.04, 310,081.28 and 73,605.48 is: 110,408.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,720.04 : 310,081.28 = 73,605.48 : x
  2. Step 2: Convert to fraction form
    206,720.04/310,081.28 = 73,605.48/x
  3. Step 3: Cross multiply
    206,720.04x = 310,081.28 × 73,605.48
  4. Step 4: Simplify right side
    206,720.04x = 22,823,681,453.41
  5. Step 5: Solve for x
    x = 22,823,681,453.41/206,720.04
  6. Step 6: Final answer
    x = 110,408.65

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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.