Home / 223,185.16-308,001.53-131,310.86

Finding the Fourth Proportional to 223,185.16, 308,001.53 and 131,310.86

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Solution

The fourth proportional to 223,185.16, 308,001.53 and 131,310.86 is: 181,212.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,185.16 : 308,001.53 = 131,310.86 : x
  2. Step 2: Convert to fraction form
    223,185.16/308,001.53 = 131,310.86/x
  3. Step 3: Cross multiply
    223,185.16x = 308,001.53 × 131,310.86
  4. Step 4: Simplify right side
    223,185.16x = 40,443,944,573.89
  5. Step 5: Solve for x
    x = 40,443,944,573.89/223,185.16
  6. Step 6: Final answer
    x = 181,212.52

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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.