Home / 371,568.40-557,352.60-91,085.65

Finding the Fourth Proportional to 371,568.40, 557,352.60 and 91,085.65

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Solution

The fourth proportional to 371,568.40, 557,352.60 and 91,085.65 is: 136,628.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,568.40 : 557,352.60 = 91,085.65 : x
  2. Step 2: Convert to fraction form
    371,568.40/557,352.60 = 91,085.65/x
  3. Step 3: Cross multiply
    371,568.40x = 557,352.60 × 91,085.65
  4. Step 4: Simplify right side
    371,568.40x = 50,766,823,850.19
  5. Step 5: Solve for x
    x = 50,766,823,850.19/371,568.40
  6. Step 6: Final answer
    x = 136,628.48

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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.