Home / 351,669.20-527,442.60-98,889.66

Finding the Fourth Proportional to 351,669.20, 527,442.60 and 98,889.66

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Solution

The fourth proportional to 351,669.20, 527,442.60 and 98,889.66 is: 148,317.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,669.20 : 527,442.60 = 98,889.66 : x
  2. Step 2: Convert to fraction form
    351,669.20/527,442.60 = 98,889.66/x
  3. Step 3: Cross multiply
    351,669.20x = 527,442.60 × 98,889.66
  4. Step 4: Simplify right side
    351,669.20x = 52,158,619,383.52
  5. Step 5: Solve for x
    x = 52,158,619,383.52/351,669.20
  6. Step 6: Final answer
    x = 148,317.28

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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.