Home / 148,942.14-223,525.53-78,837.18

Finding the Fourth Proportional to 148,942.14, 223,525.53 and 78,837.18

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Solution

The fourth proportional to 148,942.14, 223,525.53 and 78,837.18 is: 118,315.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,942.14 : 223,525.53 = 78,837.18 : x
  2. Step 2: Convert to fraction form
    148,942.14/223,525.53 = 78,837.18/x
  3. Step 3: Cross multiply
    148,942.14x = 223,525.53 × 78,837.18
  4. Step 4: Simplify right side
    148,942.14x = 17,622,122,443.21
  5. Step 5: Solve for x
    x = 17,622,122,443.21/148,942.14
  6. Step 6: Final answer
    x = 118,315.22

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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.