Home / 352,218.07-528,403.65-115,551.87

Finding the Fourth Proportional to 352,218.07, 528,403.65 and 115,551.87

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Solution

The fourth proportional to 352,218.07, 528,403.65 and 115,551.87 is: 173,352.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,218.07 : 528,403.65 = 115,551.87 : x
  2. Step 2: Convert to fraction form
    352,218.07/528,403.65 = 115,551.87/x
  3. Step 3: Cross multiply
    352,218.07x = 528,403.65 × 115,551.87
  4. Step 4: Simplify right side
    352,218.07x = 61,058,028,107.47
  5. Step 5: Solve for x
    x = 61,058,028,107.47/352,218.07
  6. Step 6: Final answer
    x = 173,352.91

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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.