Home / 225,197.04-310,767.12-123,222.09

Finding the Fourth Proportional to 225,197.04, 310,767.12 and 123,222.09

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Solution

The fourth proportional to 225,197.04, 310,767.12 and 123,222.09 is: 170,043.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,197.04 : 310,767.12 = 123,222.09 : x
  2. Step 2: Convert to fraction form
    225,197.04/310,767.12 = 123,222.09/x
  3. Step 3: Cross multiply
    225,197.04x = 310,767.12 × 123,222.09
  4. Step 4: Simplify right side
    225,197.04x = 38,293,374,029.68
  5. Step 5: Solve for x
    x = 38,293,374,029.68/225,197.04
  6. Step 6: Final answer
    x = 170,043.86

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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.