Home / 146,915.04-220,401.72-53,408.64

Finding the Fourth Proportional to 146,915.04, 220,401.72 and 53,408.64

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Solution

The fourth proportional to 146,915.04, 220,401.72 and 53,408.64 is: 80,123.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,915.04 : 220,401.72 = 53,408.64 : x
  2. Step 2: Convert to fraction form
    146,915.04/220,401.72 = 53,408.64/x
  3. Step 3: Cross multiply
    146,915.04x = 220,401.72 × 53,408.64
  4. Step 4: Simplify right side
    146,915.04x = 11,771,356,118.86
  5. Step 5: Solve for x
    x = 11,771,356,118.86/146,915.04
  6. Step 6: Final answer
    x = 80,123.56

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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.