Home / 223,188.17-308,005.68-131,313.86

Finding the Fourth Proportional to 223,188.17, 308,005.68 and 131,313.86

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Solution

The fourth proportional to 223,188.17, 308,005.68 and 131,313.86 is: 181,216.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,188.17 : 308,005.68 = 131,313.86 : x
  2. Step 2: Convert to fraction form
    223,188.17/308,005.68 = 131,313.86/x
  3. Step 3: Cross multiply
    223,188.17x = 308,005.68 × 131,313.86
  4. Step 4: Simplify right side
    223,188.17x = 40,445,413,202.70
  5. Step 5: Solve for x
    x = 40,445,413,202.70/223,188.17
  6. Step 6: Final answer
    x = 181,216.66

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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.