Home / 97,416.90-146,234.70-75,328.20

Finding the Fourth Proportional to 97,416.90, 146,234.70 and 75,328.20

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Solution

The fourth proportional to 97,416.90, 146,234.70 and 75,328.20 is: 113,076.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,416.90 : 146,234.70 = 75,328.20 : x
  2. Step 2: Convert to fraction form
    97,416.90/146,234.70 = 75,328.20/x
  3. Step 3: Cross multiply
    97,416.90x = 146,234.70 × 75,328.20
  4. Step 4: Simplify right side
    97,416.90x = 11,015,596,728.54
  5. Step 5: Solve for x
    x = 11,015,596,728.54/97,416.90
  6. Step 6: Final answer
    x = 113,076.86

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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.