Home / 225,537.80-311,239.52-122,170.04

Finding the Fourth Proportional to 225,537.80, 311,239.52 and 122,170.04

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Solution

The fourth proportional to 225,537.80, 311,239.52 and 122,170.04 is: 168,593.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,537.80 : 311,239.52 = 122,170.04 : x
  2. Step 2: Convert to fraction form
    225,537.80/311,239.52 = 122,170.04/x
  3. Step 3: Cross multiply
    225,537.80x = 311,239.52 × 122,170.04
  4. Step 4: Simplify right side
    225,537.80x = 38,024,145,628.79
  5. Step 5: Solve for x
    x = 38,024,145,628.79/225,537.80
  6. Step 6: Final answer
    x = 168,593.23

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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.