Home / 159,927.22-220,699.56-88,307.38

Finding the Fourth Proportional to 159,927.22, 220,699.56 and 88,307.38

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Solution

The fourth proportional to 159,927.22, 220,699.56 and 88,307.38 is: 121,864.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,927.22 : 220,699.56 = 88,307.38 : x
  2. Step 2: Convert to fraction form
    159,927.22/220,699.56 = 88,307.38/x
  3. Step 3: Cross multiply
    159,927.22x = 220,699.56 × 88,307.38
  4. Step 4: Simplify right side
    159,927.22x = 19,489,399,910.75
  5. Step 5: Solve for x
    x = 19,489,399,910.75/159,927.22
  6. Step 6: Final answer
    x = 121,864.18

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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.