Home / 103,012.13-154,506.04-27,118.37

Finding the Fourth Proportional to 103,012.13, 154,506.04 and 27,118.37

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Solution

The fourth proportional to 103,012.13, 154,506.04 and 27,118.37 is: 40,674.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,012.13 : 154,506.04 = 27,118.37 : x
  2. Step 2: Convert to fraction form
    103,012.13/154,506.04 = 27,118.37/x
  3. Step 3: Cross multiply
    103,012.13x = 154,506.04 × 27,118.37
  4. Step 4: Simplify right side
    103,012.13x = 4,189,951,959.95
  5. Step 5: Solve for x
    x = 4,189,951,959.95/103,012.13
  6. Step 6: Final answer
    x = 40,674.36

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1.5x scale

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.