Home / 211,800.24-317,700.48-132,969.83

Finding the Fourth Proportional to 211,800.24, 317,700.48 and 132,969.83

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Solution

The fourth proportional to 211,800.24, 317,700.48 and 132,969.83 is: 199,454.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,800.24 : 317,700.48 = 132,969.83 : x
  2. Step 2: Convert to fraction form
    211,800.24/317,700.48 = 132,969.83/x
  3. Step 3: Cross multiply
    211,800.24x = 317,700.48 × 132,969.83
  4. Step 4: Simplify right side
    211,800.24x = 42,244,577,872.23
  5. Step 5: Solve for x
    x = 42,244,577,872.23/211,800.24
  6. Step 6: Final answer
    x = 199,454.81

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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.