Home / 148,649.31-223,007.99-64,423.49

Finding the Fourth Proportional to 148,649.31, 223,007.99 and 64,423.49

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Solution

The fourth proportional to 148,649.31, 223,007.99 and 64,423.49 is: 96,649.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,649.31 : 223,007.99 = 64,423.49 : x
  2. Step 2: Convert to fraction form
    148,649.31/223,007.99 = 64,423.49/x
  3. Step 3: Cross multiply
    148,649.31x = 223,007.99 × 64,423.49
  4. Step 4: Simplify right side
    148,649.31x = 14,366,951,576.53
  5. Step 5: Solve for x
    x = 14,366,951,576.53/148,649.31
  6. Step 6: Final answer
    x = 96,649.97

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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.