Home / 233,103.62-321,673.66-131,131.10

Finding the Fourth Proportional to 233,103.62, 321,673.66 and 131,131.10

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Solution

The fourth proportional to 233,103.62, 321,673.66 and 131,131.10 is: 180,955.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,103.62 : 321,673.66 = 131,131.10 : x
  2. Step 2: Convert to fraction form
    233,103.62/321,673.66 = 131,131.10/x
  3. Step 3: Cross multiply
    233,103.62x = 321,673.66 × 131,131.10
  4. Step 4: Simplify right side
    233,103.62x = 42,181,418,940.63
  5. Step 5: Solve for x
    x = 42,181,418,940.63/233,103.62
  6. Step 6: Final answer
    x = 180,955.66

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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.