Home / 168,624.06-232,725.72-100,643.94

Finding the Fourth Proportional to 168,624.06, 232,725.72 and 100,643.94

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Solution

The fourth proportional to 168,624.06, 232,725.72 and 100,643.94 is: 138,903.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,624.06 : 232,725.72 = 100,643.94 : x
  2. Step 2: Convert to fraction form
    168,624.06/232,725.72 = 100,643.94/x
  3. Step 3: Cross multiply
    168,624.06x = 232,725.72 × 100,643.94
  4. Step 4: Simplify right side
    168,624.06x = 23,422,433,400.14
  5. Step 5: Solve for x
    x = 23,422,433,400.14/168,624.06
  6. Step 6: Final answer
    x = 138,903.27

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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.