Home / 146,108.36-219,168.78-57,381.10

Finding the Fourth Proportional to 146,108.36, 219,168.78 and 57,381.10

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Solution

The fourth proportional to 146,108.36, 219,168.78 and 57,381.10 is: 86,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,108.36 : 219,168.78 = 57,381.10 : x
  2. Step 2: Convert to fraction form
    146,108.36/219,168.78 = 57,381.10/x
  3. Step 3: Cross multiply
    146,108.36x = 219,168.78 × 57,381.10
  4. Step 4: Simplify right side
    146,108.36x = 12,576,145,682.06
  5. Step 5: Solve for x
    x = 12,576,145,682.06/146,108.36
  6. Step 6: Final answer
    x = 86,074.10

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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.