Home / 168,049.47-231,905.52-91,569.48

Finding the Fourth Proportional to 168,049.47, 231,905.52 and 91,569.48

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Solution

The fourth proportional to 168,049.47, 231,905.52 and 91,569.48 is: 126,364.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,049.47 : 231,905.52 = 91,569.48 : x
  2. Step 2: Convert to fraction form
    168,049.47/231,905.52 = 91,569.48/x
  3. Step 3: Cross multiply
    168,049.47x = 231,905.52 × 91,569.48
  4. Step 4: Simplify right side
    168,049.47x = 21,235,467,875.53
  5. Step 5: Solve for x
    x = 21,235,467,875.53/168,049.47
  6. Step 6: Final answer
    x = 126,364.38

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1.5x scale

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.