Home / 353,135.03-487,403.73-232,288.25

Finding the Fourth Proportional to 353,135.03, 487,403.73 and 232,288.25

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Solution

The fourth proportional to 353,135.03, 487,403.73 and 232,288.25 is: 320,608.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,135.03 : 487,403.73 = 232,288.25 : x
  2. Step 2: Convert to fraction form
    353,135.03/487,403.73 = 232,288.25/x
  3. Step 3: Cross multiply
    353,135.03x = 487,403.73 × 232,288.25
  4. Step 4: Simplify right side
    353,135.03x = 113,218,157,048.15
  5. Step 5: Solve for x
    x = 113,218,157,048.15/353,135.03
  6. Step 6: Final answer
    x = 320,608.69

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1.5x scale

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.