Home / 213,823.32-320,890.50-95,628.12

Finding the Fourth Proportional to 213,823.32, 320,890.50 and 95,628.12

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Solution

The fourth proportional to 213,823.32, 320,890.50 and 95,628.12 is: 143,511.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,823.32 : 320,890.50 = 95,628.12 : x
  2. Step 2: Convert to fraction form
    213,823.32/320,890.50 = 95,628.12/x
  3. Step 3: Cross multiply
    213,823.32x = 320,890.50 × 95,628.12
  4. Step 4: Simplify right side
    213,823.32x = 30,686,155,240.86
  5. Step 5: Solve for x
    x = 30,686,155,240.86/213,823.32
  6. Step 6: Final answer
    x = 143,511.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.