Home / 223,427.28-308,321.16-127,942.92

Finding the Fourth Proportional to 223,427.28, 308,321.16 and 127,942.92

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Solution

The fourth proportional to 223,427.28, 308,321.16 and 127,942.92 is: 176,556.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,427.28 : 308,321.16 = 127,942.92 : x
  2. Step 2: Convert to fraction form
    223,427.28/308,321.16 = 127,942.92/x
  3. Step 3: Cross multiply
    223,427.28x = 308,321.16 × 127,942.92
  4. Step 4: Simplify right side
    223,427.28x = 39,447,509,508.19
  5. Step 5: Solve for x
    x = 39,447,509,508.19/223,427.28
  6. Step 6: Final answer
    x = 176,556.37

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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.