Home / 223,056.32-307,818.24-122,460.80

Finding the Fourth Proportional to 223,056.32, 307,818.24 and 122,460.80

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Solution

The fourth proportional to 223,056.32, 307,818.24 and 122,460.80 is: 168,996.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,056.32 : 307,818.24 = 122,460.80 : x
  2. Step 2: Convert to fraction form
    223,056.32/307,818.24 = 122,460.80/x
  3. Step 3: Cross multiply
    223,056.32x = 307,818.24 × 122,460.80
  4. Step 4: Simplify right side
    223,056.32x = 37,695,667,924.99
  5. Step 5: Solve for x
    x = 37,695,667,924.99/223,056.32
  6. Step 6: Final answer
    x = 168,996.19

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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.