Home / 226,238.16-312,212.54-124,267.92

Finding the Fourth Proportional to 226,238.16, 312,212.54 and 124,267.92

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Solution

The fourth proportional to 226,238.16, 312,212.54 and 124,267.92 is: 171,491.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,238.16 : 312,212.54 = 124,267.92 : x
  2. Step 2: Convert to fraction form
    226,238.16/312,212.54 = 124,267.92/x
  3. Step 3: Cross multiply
    226,238.16x = 312,212.54 × 124,267.92
  4. Step 4: Simplify right side
    226,238.16x = 38,798,002,943.72
  5. Step 5: Solve for x
    x = 38,798,002,943.72/226,238.16
  6. Step 6: Final answer
    x = 171,491.86

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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.