Home / 371,918.67-557,550.96-147,436.79

Finding the Fourth Proportional to 371,918.67, 557,550.96 and 147,436.79

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Solution

The fourth proportional to 371,918.67, 557,550.96 and 147,436.79 is: 221,025.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,918.67 : 557,550.96 = 147,436.79 : x
  2. Step 2: Convert to fraction form
    371,918.67/557,550.96 = 147,436.79/x
  3. Step 3: Cross multiply
    371,918.67x = 557,550.96 × 147,436.79
  4. Step 4: Simplify right side
    371,918.67x = 82,203,523,803.82
  5. Step 5: Solve for x
    x = 82,203,523,803.82/371,918.67
  6. Step 6: Final answer
    x = 221,025.54

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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.