Home / 220,875.88-331,313.97-71,116.06

Finding the Fourth Proportional to 220,875.88, 331,313.97 and 71,116.06

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Solution

The fourth proportional to 220,875.88, 331,313.97 and 71,116.06 is: 106,674.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,875.88 : 331,313.97 = 71,116.06 : x
  2. Step 2: Convert to fraction form
    220,875.88/331,313.97 = 71,116.06/x
  3. Step 3: Cross multiply
    220,875.88x = 331,313.97 × 71,116.06
  4. Step 4: Simplify right side
    220,875.88x = 23,561,744,169.36
  5. Step 5: Solve for x
    x = 23,561,744,169.36/220,875.88
  6. Step 6: Final answer
    x = 106,674.14

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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.