Home / 217,990.85-327,005.24-60,219.45

Finding the Fourth Proportional to 217,990.85, 327,005.24 and 60,219.45

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Solution

The fourth proportional to 217,990.85, 327,005.24 and 60,219.45 is: 90,334.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,990.85 : 327,005.24 = 60,219.45 : x
  2. Step 2: Convert to fraction form
    217,990.85/327,005.24 = 60,219.45/x
  3. Step 3: Cross multiply
    217,990.85x = 327,005.24 × 60,219.45
  4. Step 4: Simplify right side
    217,990.85x = 19,692,075,398.82
  5. Step 5: Solve for x
    x = 19,692,075,398.82/217,990.85
  6. Step 6: Final answer
    x = 90,334.41

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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.