Home / 233,228.21-321,851.34-131,245.70

Finding the Fourth Proportional to 233,228.21, 321,851.34 and 131,245.70

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Solution

The fourth proportional to 233,228.21, 321,851.34 and 131,245.70 is: 181,117.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,228.21 : 321,851.34 = 131,245.70 : x
  2. Step 2: Convert to fraction form
    233,228.21/321,851.34 = 131,245.70/x
  3. Step 3: Cross multiply
    233,228.21x = 321,851.34 × 131,245.70
  4. Step 4: Simplify right side
    233,228.21x = 42,241,602,804.98
  5. Step 5: Solve for x
    x = 42,241,602,804.98/233,228.21
  6. Step 6: Final answer
    x = 181,117.04

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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.