Home / 148,434.69-222,728.58-69,556.89

Finding the Fourth Proportional to 148,434.69, 222,728.58 and 69,556.89

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Solution

The fourth proportional to 148,434.69, 222,728.58 and 69,556.89 is: 104,371.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,434.69 : 222,728.58 = 69,556.89 : x
  2. Step 2: Convert to fraction form
    148,434.69/222,728.58 = 69,556.89/x
  3. Step 3: Cross multiply
    148,434.69x = 222,728.58 × 69,556.89
  4. Step 4: Simplify right side
    148,434.69x = 15,492,307,338.92
  5. Step 5: Solve for x
    x = 15,492,307,338.92/148,434.69
  6. Step 6: Final answer
    x = 104,371.20

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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.