Home / 134,786.90-202,326.15-84,923.30

Finding the Fourth Proportional to 134,786.90, 202,326.15 and 84,923.30

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Solution

The fourth proportional to 134,786.90, 202,326.15 and 84,923.30 is: 127,476.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,786.90 : 202,326.15 = 84,923.30 : x
  2. Step 2: Convert to fraction form
    134,786.90/202,326.15 = 84,923.30/x
  3. Step 3: Cross multiply
    134,786.90x = 202,326.15 × 84,923.30
  4. Step 4: Simplify right side
    134,786.90x = 17,182,204,334.30
  5. Step 5: Solve for x
    x = 17,182,204,334.30/134,786.90
  6. Step 6: Final answer
    x = 127,476.81

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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.