Home / 217,995.24-326,989.62-60,220.20

Finding the Fourth Proportional to 217,995.24, 326,989.62 and 60,220.20

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Solution

The fourth proportional to 217,995.24, 326,989.62 and 60,220.20 is: 90,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,995.24 : 326,989.62 = 60,220.20 : x
  2. Step 2: Convert to fraction form
    217,995.24/326,989.62 = 60,220.20/x
  3. Step 3: Cross multiply
    217,995.24x = 326,989.62 × 60,220.20
  4. Step 4: Simplify right side
    217,995.24x = 19,691,380,314.32
  5. Step 5: Solve for x
    x = 19,691,380,314.32/217,995.24
  6. Step 6: Final answer
    x = 90,329.40

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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.