Home / 225,020.36-310,381.77-144,320.06

Finding the Fourth Proportional to 225,020.36, 310,381.77 and 144,320.06

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Solution

The fourth proportional to 225,020.36, 310,381.77 and 144,320.06 is: 199,067.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,020.36 : 310,381.77 = 144,320.06 : x
  2. Step 2: Convert to fraction form
    225,020.36/310,381.77 = 144,320.06/x
  3. Step 3: Cross multiply
    225,020.36x = 310,381.77 × 144,320.06
  4. Step 4: Simplify right side
    225,020.36x = 44,794,315,240.56
  5. Step 5: Solve for x
    x = 44,794,315,240.56/225,020.36
  6. Step 6: Final answer
    x = 199,067.83

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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.