Home / 159,838.83-220,577.14-88,218.35

Finding the Fourth Proportional to 159,838.83, 220,577.14 and 88,218.35

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Solution

The fourth proportional to 159,838.83, 220,577.14 and 88,218.35 is: 121,741.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,838.83 : 220,577.14 = 88,218.35 : x
  2. Step 2: Convert to fraction form
    159,838.83/220,577.14 = 88,218.35/x
  3. Step 3: Cross multiply
    159,838.83x = 220,577.14 × 88,218.35
  4. Step 4: Simplify right side
    159,838.83x = 19,458,951,338.52
  5. Step 5: Solve for x
    x = 19,458,951,338.52/159,838.83
  6. Step 6: Final answer
    x = 121,741.08

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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.