Home / 371,738.25-557,618.31-91,255.50

Finding the Fourth Proportional to 371,738.25, 557,618.31 and 91,255.50

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Solution

The fourth proportional to 371,738.25, 557,618.31 and 91,255.50 is: 136,885.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,738.25 : 557,618.31 = 91,255.50 : x
  2. Step 2: Convert to fraction form
    371,738.25/557,618.31 = 91,255.50/x
  3. Step 3: Cross multiply
    371,738.25x = 557,618.31 × 91,255.50
  4. Step 4: Simplify right side
    371,738.25x = 50,885,737,688.21
  5. Step 5: Solve for x
    x = 50,885,737,688.21/371,738.25
  6. Step 6: Final answer
    x = 136,885.93

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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.