Home / 146,447.89-219,592.85-66,442.20

Finding the Fourth Proportional to 146,447.89, 219,592.85 and 66,442.20

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Solution

The fourth proportional to 146,447.89, 219,592.85 and 66,442.20 is: 99,627.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,447.89 : 219,592.85 = 66,442.20 : x
  2. Step 2: Convert to fraction form
    146,447.89/219,592.85 = 66,442.20/x
  3. Step 3: Cross multiply
    146,447.89x = 219,592.85 × 66,442.20
  4. Step 4: Simplify right side
    146,447.89x = 14,590,232,058.27
  5. Step 5: Solve for x
    x = 14,590,232,058.27/146,447.89
  6. Step 6: Final answer
    x = 99,627.47

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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.