Home / 180,248.19-270,390.81-68,022.89

Finding the Fourth Proportional to 180,248.19, 270,390.81 and 68,022.89

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Solution

The fourth proportional to 180,248.19, 270,390.81 and 68,022.89 is: 102,041.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,248.19 : 270,390.81 = 68,022.89 : x
  2. Step 2: Convert to fraction form
    180,248.19/270,390.81 = 68,022.89/x
  3. Step 3: Cross multiply
    180,248.19x = 270,390.81 × 68,022.89
  4. Step 4: Simplify right side
    180,248.19x = 18,392,763,860.11
  5. Step 5: Solve for x
    x = 18,392,763,860.11/180,248.19
  6. Step 6: Final answer
    x = 102,041.33

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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.