Home / 229,021.05-343,370.61-100,876.52

Finding the Fourth Proportional to 229,021.05, 343,370.61 and 100,876.52

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Solution

The fourth proportional to 229,021.05, 343,370.61 and 100,876.52 is: 151,243.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,021.05 : 343,370.61 = 100,876.52 : x
  2. Step 2: Convert to fraction form
    229,021.05/343,370.61 = 100,876.52/x
  3. Step 3: Cross multiply
    229,021.05x = 343,370.61 × 100,876.52
  4. Step 4: Simplify right side
    229,021.05x = 34,638,030,490.22
  5. Step 5: Solve for x
    x = 34,638,030,490.22/229,021.05
  6. Step 6: Final answer
    x = 151,243.87

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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.