Home / 148,261.32-222,358.62-68,222.51

Finding the Fourth Proportional to 148,261.32, 222,358.62 and 68,222.51

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Solution

The fourth proportional to 148,261.32, 222,358.62 and 68,222.51 is: 102,318.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,261.32 : 222,358.62 = 68,222.51 : x
  2. Step 2: Convert to fraction form
    148,261.32/222,358.62 = 68,222.51/x
  3. Step 3: Cross multiply
    148,261.32x = 222,358.62 × 68,222.51
  4. Step 4: Simplify right side
    148,261.32x = 15,169,863,154.42
  5. Step 5: Solve for x
    x = 15,169,863,154.42/148,261.32
  6. Step 6: Final answer
    x = 102,318.41

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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.