Home / 101,519.28-152,554.68-54,167.31

Finding the Fourth Proportional to 101,519.28, 152,554.68 and 54,167.31

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Solution

The fourth proportional to 101,519.28, 152,554.68 and 54,167.31 is: 81,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,519.28 : 152,554.68 = 54,167.31 : x
  2. Step 2: Convert to fraction form
    101,519.28/152,554.68 = 54,167.31/x
  3. Step 3: Cross multiply
    101,519.28x = 152,554.68 × 54,167.31
  4. Step 4: Simplify right side
    101,519.28x = 8,263,476,643.51
  5. Step 5: Solve for x
    x = 8,263,476,643.51/101,519.28
  6. Step 6: Final answer
    x = 81,398.10

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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.