Home / 148,214.80-222,322.20-137,717.20

Finding the Fourth Proportional to 148,214.80, 222,322.20 and 137,717.20

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Solution

The fourth proportional to 148,214.80, 222,322.20 and 137,717.20 is: 206,575.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,214.80 : 222,322.20 = 137,717.20 : x
  2. Step 2: Convert to fraction form
    148,214.80/222,322.20 = 137,717.20/x
  3. Step 3: Cross multiply
    148,214.80x = 222,322.20 × 137,717.20
  4. Step 4: Simplify right side
    148,214.80x = 30,617,590,881.84
  5. Step 5: Solve for x
    x = 30,617,590,881.84/148,214.80
  6. Step 6: Final answer
    x = 206,575.80

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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.