Home / 263,565.87-363,721.07-142,707.24

Finding the Fourth Proportional to 263,565.87, 363,721.07 and 142,707.24

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Solution

The fourth proportional to 263,565.87, 363,721.07 and 142,707.24 is: 196,936.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,565.87 : 363,721.07 = 142,707.24 : x
  2. Step 2: Convert to fraction form
    263,565.87/363,721.07 = 142,707.24/x
  3. Step 3: Cross multiply
    263,565.87x = 363,721.07 × 142,707.24
  4. Step 4: Simplify right side
    263,565.87x = 51,905,628,961.99
  5. Step 5: Solve for x
    x = 51,905,628,961.99/263,565.87
  6. Step 6: Final answer
    x = 196,936.08

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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.