Home / 148,330.82-222,340.71-69,378.50

Finding the Fourth Proportional to 148,330.82, 222,340.71 and 69,378.50

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Solution

The fourth proportional to 148,330.82, 222,340.71 and 69,378.50 is: 103,995.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,330.82 : 222,340.71 = 69,378.50 : x
  2. Step 2: Convert to fraction form
    148,330.82/222,340.71 = 69,378.50/x
  3. Step 3: Cross multiply
    148,330.82x = 222,340.71 × 69,378.50
  4. Step 4: Simplify right side
    148,330.82x = 15,425,664,948.74
  5. Step 5: Solve for x
    x = 15,425,664,948.74/148,330.82
  6. Step 6: Final answer
    x = 103,995.01

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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.