Home / 148,058.69-222,160.79-69,178.46

Finding the Fourth Proportional to 148,058.69, 222,160.79 and 69,178.46

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Solution

The fourth proportional to 148,058.69, 222,160.79 and 69,178.46 is: 103,801.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,058.69 : 222,160.79 = 69,178.46 : x
  2. Step 2: Convert to fraction form
    148,058.69/222,160.79 = 69,178.46/x
  3. Step 3: Cross multiply
    148,058.69x = 222,160.79 × 69,178.46
  4. Step 4: Simplify right side
    148,058.69x = 15,368,740,386.73
  5. Step 5: Solve for x
    x = 15,368,740,386.73/148,058.69
  6. Step 6: Final answer
    x = 103,801.68

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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.