Home / 223,828.24-308,873.64-123,219.76

Finding the Fourth Proportional to 223,828.24, 308,873.64 and 123,219.76

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Solution

The fourth proportional to 223,828.24, 308,873.64 and 123,219.76 is: 170,038.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,828.24 : 308,873.64 = 123,219.76 : x
  2. Step 2: Convert to fraction form
    223,828.24/308,873.64 = 123,219.76/x
  3. Step 3: Cross multiply
    223,828.24x = 308,873.64 × 123,219.76
  4. Step 4: Simplify right side
    223,828.24x = 38,059,335,791.13
  5. Step 5: Solve for x
    x = 38,059,335,791.13/223,828.24
  6. Step 6: Final answer
    x = 170,038.13

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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.