Home / 269,041.50-371,277.27-155,929.86

Finding the Fourth Proportional to 269,041.50, 371,277.27 and 155,929.86

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Solution

The fourth proportional to 269,041.50, 371,277.27 and 155,929.86 is: 215,183.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,041.50 : 371,277.27 = 155,929.86 : x
  2. Step 2: Convert to fraction form
    269,041.50/371,277.27 = 155,929.86/x
  3. Step 3: Cross multiply
    269,041.50x = 371,277.27 × 155,929.86
  4. Step 4: Simplify right side
    269,041.50x = 57,893,212,732.28
  5. Step 5: Solve for x
    x = 57,893,212,732.28/269,041.50
  6. Step 6: Final answer
    x = 215,183.21

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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.