Home / 222,186.96-306,606.24-121,565.52

Finding the Fourth Proportional to 222,186.96, 306,606.24 and 121,565.52

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Solution

The fourth proportional to 222,186.96, 306,606.24 and 121,565.52 is: 167,753.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,186.96 : 306,606.24 = 121,565.52 : x
  2. Step 2: Convert to fraction form
    222,186.96/306,606.24 = 121,565.52/x
  3. Step 3: Cross multiply
    222,186.96x = 306,606.24 × 121,565.52
  4. Step 4: Simplify right side
    222,186.96x = 37,272,747,000.84
  5. Step 5: Solve for x
    x = 37,272,747,000.84/222,186.96
  6. Step 6: Final answer
    x = 167,753.98

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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.