Home / 211,799.27-317,699.19-148,900.70

Finding the Fourth Proportional to 211,799.27, 317,699.19 and 148,900.70

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Solution

The fourth proportional to 211,799.27, 317,699.19 and 148,900.70 is: 223,351.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,799.27 : 317,699.19 = 148,900.70 : x
  2. Step 2: Convert to fraction form
    211,799.27/317,699.19 = 148,900.70/x
  3. Step 3: Cross multiply
    211,799.27x = 317,699.19 × 148,900.70
  4. Step 4: Simplify right side
    211,799.27x = 47,305,632,574.68
  5. Step 5: Solve for x
    x = 47,305,632,574.68/211,799.27
  6. Step 6: Final answer
    x = 223,351.25

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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.