Home / 371,569.15-557,211.09-158,201.78

Finding the Fourth Proportional to 371,569.15, 557,211.09 and 158,201.78

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Solution

The fourth proportional to 371,569.15, 557,211.09 and 158,201.78 is: 237,241.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,569.15 : 557,211.09 = 158,201.78 : x
  2. Step 2: Convert to fraction form
    371,569.15/557,211.09 = 158,201.78/x
  3. Step 3: Cross multiply
    371,569.15x = 557,211.09 × 158,201.78
  4. Step 4: Simplify right side
    371,569.15x = 88,151,786,273.74
  5. Step 5: Solve for x
    x = 88,151,786,273.74/371,569.15
  6. Step 6: Final answer
    x = 237,241.94

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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.