Home / 353,135.16-487,403.91-232,288.37

Finding the Fourth Proportional to 353,135.16, 487,403.91 and 232,288.37

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Solution

The fourth proportional to 353,135.16, 487,403.91 and 232,288.37 is: 320,608.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,135.16 : 487,403.91 = 232,288.37 : x
  2. Step 2: Convert to fraction form
    353,135.16/487,403.91 = 232,288.37/x
  3. Step 3: Cross multiply
    353,135.16x = 487,403.91 × 232,288.37
  4. Step 4: Simplify right side
    353,135.16x = 113,218,256,187.07
  5. Step 5: Solve for x
    x = 113,218,256,187.07/353,135.16
  6. Step 6: Final answer
    x = 320,608.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.