Home / 217,246.20-325,869.30-188,086.20

Finding the Fourth Proportional to 217,246.20, 325,869.30 and 188,086.20

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Solution

The fourth proportional to 217,246.20, 325,869.30 and 188,086.20 is: 282,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,246.20 : 325,869.30 = 188,086.20 : x
  2. Step 2: Convert to fraction form
    217,246.20/325,869.30 = 188,086.20/x
  3. Step 3: Cross multiply
    217,246.20x = 325,869.30 × 188,086.20
  4. Step 4: Simplify right side
    217,246.20x = 61,291,518,333.66
  5. Step 5: Solve for x
    x = 61,291,518,333.66/217,246.20
  6. Step 6: Final answer
    x = 282,129.30

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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.