Home / 159,198.86-219,543.64-101,856.33

Finding the Fourth Proportional to 159,198.86, 219,543.64 and 101,856.33

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Solution

The fourth proportional to 159,198.86, 219,543.64 and 101,856.33 is: 140,465.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,198.86 : 219,543.64 = 101,856.33 : x
  2. Step 2: Convert to fraction form
    159,198.86/219,543.64 = 101,856.33/x
  3. Step 3: Cross multiply
    159,198.86x = 219,543.64 × 101,856.33
  4. Step 4: Simplify right side
    159,198.86x = 22,361,909,445.24
  5. Step 5: Solve for x
    x = 22,361,909,445.24/159,198.86
  6. Step 6: Final answer
    x = 140,465.26

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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.