Home / 263,505.91-363,637.74-142,647.16

Finding the Fourth Proportional to 263,505.91, 363,637.74 and 142,647.16

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Solution

The fourth proportional to 263,505.91, 363,637.74 and 142,647.16 is: 196,852.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,505.91 : 363,637.74 = 142,647.16 : x
  2. Step 2: Convert to fraction form
    263,505.91/363,637.74 = 142,647.16/x
  3. Step 3: Cross multiply
    263,505.91x = 363,637.74 × 142,647.16
  4. Step 4: Simplify right side
    263,505.91x = 51,871,888,348.39
  5. Step 5: Solve for x
    x = 51,871,888,348.39/263,505.91
  6. Step 6: Final answer
    x = 196,852.85

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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.