Home / 223,168.64-307,974.40-127,669.44

Finding the Fourth Proportional to 223,168.64, 307,974.40 and 127,669.44

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Solution

The fourth proportional to 223,168.64, 307,974.40 and 127,669.44 is: 176,184.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,168.64 : 307,974.40 = 127,669.44 : x
  2. Step 2: Convert to fraction form
    223,168.64/307,974.40 = 127,669.44/x
  3. Step 3: Cross multiply
    223,168.64x = 307,974.40 × 127,669.44
  4. Step 4: Simplify right side
    223,168.64x = 39,318,919,182.34
  5. Step 5: Solve for x
    x = 39,318,919,182.34/223,168.64
  6. Step 6: Final answer
    x = 176,184.79

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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.