Home / 106,467.30-146,851.20-86,325.03

Finding the Fourth Proportional to 106,467.30, 146,851.20 and 86,325.03

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Solution

The fourth proportional to 106,467.30, 146,851.20 and 86,325.03 is: 119,068.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,467.30 : 146,851.20 = 86,325.03 : x
  2. Step 2: Convert to fraction form
    106,467.30/146,851.20 = 86,325.03/x
  3. Step 3: Cross multiply
    106,467.30x = 146,851.20 × 86,325.03
  4. Step 4: Simplify right side
    106,467.30x = 12,676,934,245.54
  5. Step 5: Solve for x
    x = 12,676,934,245.54/106,467.30
  6. Step 6: Final answer
    x = 119,068.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.