Home / 226,238.72-312,212.00-124,266.57

Finding the Fourth Proportional to 226,238.72, 312,212.00 and 124,266.57

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Solution

The fourth proportional to 226,238.72, 312,212.00 and 124,266.57 is: 171,489.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,238.72 : 312,212.00 = 124,266.57 : x
  2. Step 2: Convert to fraction form
    226,238.72/312,212.00 = 124,266.57/x
  3. Step 3: Cross multiply
    226,238.72x = 312,212.00 × 124,266.57
  4. Step 4: Simplify right side
    226,238.72x = 38,797,513,731.51
  5. Step 5: Solve for x
    x = 38,797,513,731.51/226,238.72
  6. Step 6: Final answer
    x = 171,489.28

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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.