Home / 220,100.64-303,757.68-124,624.16

Finding the Fourth Proportional to 220,100.64, 303,757.68 and 124,624.16

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Solution

The fourth proportional to 220,100.64, 303,757.68 and 124,624.16 is: 171,991.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,100.64 : 303,757.68 = 124,624.16 : x
  2. Step 2: Convert to fraction form
    220,100.64/303,757.68 = 124,624.16/x
  3. Step 3: Cross multiply
    220,100.64x = 303,757.68 × 124,624.16
  4. Step 4: Simplify right side
    220,100.64x = 37,855,545,713.55
  5. Step 5: Solve for x
    x = 37,855,545,713.55/220,100.64
  6. Step 6: Final answer
    x = 171,991.98

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1.5x scale

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.