Home / 216,415.56-324,593.04-74,258.52

Finding the Fourth Proportional to 216,415.56, 324,593.04 and 74,258.52

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Solution

The fourth proportional to 216,415.56, 324,593.04 and 74,258.52 is: 111,377.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,415.56 : 324,593.04 = 74,258.52 : x
  2. Step 2: Convert to fraction form
    216,415.56/324,593.04 = 74,258.52/x
  3. Step 3: Cross multiply
    216,415.56x = 324,593.04 × 74,258.52
  4. Step 4: Simplify right side
    216,415.56x = 24,103,798,752.70
  5. Step 5: Solve for x
    x = 24,103,798,752.70/216,415.56
  6. Step 6: Final answer
    x = 111,377.38

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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.