Home / 233,203.99-321,837.78-131,239.21

Finding the Fourth Proportional to 233,203.99, 321,837.78 and 131,239.21

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Solution

The fourth proportional to 233,203.99, 321,837.78 and 131,239.21 is: 181,119.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,203.99 : 321,837.78 = 131,239.21 : x
  2. Step 2: Convert to fraction form
    233,203.99/321,837.78 = 131,239.21/x
  3. Step 3: Cross multiply
    233,203.99x = 321,837.78 × 131,239.21
  4. Step 4: Simplify right side
    233,203.99x = 42,237,736,822.41
  5. Step 5: Solve for x
    x = 42,237,736,822.41/233,203.99
  6. Step 6: Final answer
    x = 181,119.27

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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.