Home / 217,329.60-325,216.80-198,667.20

Finding the Fourth Proportional to 217,329.60, 325,216.80 and 198,667.20

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Solution

The fourth proportional to 217,329.60, 325,216.80 and 198,667.20 is: 297,289.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,329.60 : 325,216.80 = 198,667.20 : x
  2. Step 2: Convert to fraction form
    217,329.60/325,216.80 = 198,667.20/x
  3. Step 3: Cross multiply
    217,329.60x = 325,216.80 × 198,667.20
  4. Step 4: Simplify right side
    217,329.60x = 64,609,911,048.96
  5. Step 5: Solve for x
    x = 64,609,911,048.96/217,329.60
  6. Step 6: Final answer
    x = 297,289.97

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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.