Home / 269,938.50-372,515.16-156,768.54

Finding the Fourth Proportional to 269,938.50, 372,515.16 and 156,768.54

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Solution

The fourth proportional to 269,938.50, 372,515.16 and 156,768.54 is: 216,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,938.50 : 372,515.16 = 156,768.54 : x
  2. Step 2: Convert to fraction form
    269,938.50/372,515.16 = 156,768.54/x
  3. Step 3: Cross multiply
    269,938.50x = 372,515.16 × 156,768.54
  4. Step 4: Simplify right side
    269,938.50x = 58,398,657,761.07
  5. Step 5: Solve for x
    x = 58,398,657,761.07/269,938.50
  6. Step 6: Final answer
    x = 216,340.60

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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.