Home / 168,943.08-233,075.12-108,505.32

Finding the Fourth Proportional to 168,943.08, 233,075.12 and 108,505.32

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Solution

The fourth proportional to 168,943.08, 233,075.12 and 108,505.32 is: 149,694.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,943.08 : 233,075.12 = 108,505.32 : x
  2. Step 2: Convert to fraction form
    168,943.08/233,075.12 = 108,505.32/x
  3. Step 3: Cross multiply
    168,943.08x = 233,075.12 × 108,505.32
  4. Step 4: Simplify right side
    168,943.08x = 25,289,890,479.64
  5. Step 5: Solve for x
    x = 25,289,890,479.64/168,943.08
  6. Step 6: Final answer
    x = 149,694.74

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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.