Home / 148,583.35-222,481.36-78,315.04

Finding the Fourth Proportional to 148,583.35, 222,481.36 and 78,315.04

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Solution

The fourth proportional to 148,583.35, 222,481.36 and 78,315.04 is: 117,265.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,583.35 : 222,481.36 = 78,315.04 : x
  2. Step 2: Convert to fraction form
    148,583.35/222,481.36 = 78,315.04/x
  3. Step 3: Cross multiply
    148,583.35x = 222,481.36 × 78,315.04
  4. Step 4: Simplify right side
    148,583.35x = 17,423,636,607.65
  5. Step 5: Solve for x
    x = 17,423,636,607.65/148,583.35
  6. Step 6: Final answer
    x = 117,265.07

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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.