Home / 222,923.09-307,633.86-127,431.92

Finding the Fourth Proportional to 222,923.09, 307,633.86 and 127,431.92

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Solution

The fourth proportional to 222,923.09, 307,633.86 and 127,431.92 is: 175,856.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,923.09 : 307,633.86 = 127,431.92 : x
  2. Step 2: Convert to fraction form
    222,923.09/307,633.86 = 127,431.92/x
  3. Step 3: Cross multiply
    222,923.09x = 307,633.86 × 127,431.92
  4. Step 4: Simplify right side
    222,923.09x = 39,202,371,898.64
  5. Step 5: Solve for x
    x = 39,202,371,898.64/222,923.09
  6. Step 6: Final answer
    x = 175,856.04

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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.