Home / 168,619.34-232,803.16-108,216.02

Finding the Fourth Proportional to 168,619.34, 232,803.16 and 108,216.02

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Solution

The fourth proportional to 168,619.34, 232,803.16 and 108,216.02 is: 149,407.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,619.34 : 232,803.16 = 108,216.02 : x
  2. Step 2: Convert to fraction form
    168,619.34/232,803.16 = 108,216.02/x
  3. Step 3: Cross multiply
    168,619.34x = 232,803.16 × 108,216.02
  4. Step 4: Simplify right side
    168,619.34x = 25,193,029,984.07
  5. Step 5: Solve for x
    x = 25,193,029,984.07/168,619.34
  6. Step 6: Final answer
    x = 149,407.72

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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.