Home / 233,109.80-321,682.18-137,647.24

Finding the Fourth Proportional to 233,109.80, 321,682.18 and 137,647.24

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Solution

The fourth proportional to 233,109.80, 321,682.18 and 137,647.24 is: 189,947.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,109.80 : 321,682.18 = 137,647.24 : x
  2. Step 2: Convert to fraction form
    233,109.80/321,682.18 = 137,647.24/x
  3. Step 3: Cross multiply
    233,109.80x = 321,682.18 × 137,647.24
  4. Step 4: Simplify right side
    233,109.80x = 44,278,664,234.18
  5. Step 5: Solve for x
    x = 44,278,664,234.18/233,109.80
  6. Step 6: Final answer
    x = 189,947.67

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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.