Home / 168,075.92-232,039.70-111,564.56

Finding the Fourth Proportional to 168,075.92, 232,039.70 and 111,564.56

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Solution

The fourth proportional to 168,075.92, 232,039.70 and 111,564.56 is: 154,022.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,075.92 : 232,039.70 = 111,564.56 : x
  2. Step 2: Convert to fraction form
    168,075.92/232,039.70 = 111,564.56/x
  3. Step 3: Cross multiply
    168,075.92x = 232,039.70 × 111,564.56
  4. Step 4: Simplify right side
    168,075.92x = 25,887,405,315.01
  5. Step 5: Solve for x
    x = 25,887,405,315.01/168,075.92
  6. Step 6: Final answer
    x = 154,022.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.