Home / 159,790.48-220,471.50-97,685.36

Finding the Fourth Proportional to 159,790.48, 220,471.50 and 97,685.36

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Solution

The fourth proportional to 159,790.48, 220,471.50 and 97,685.36 is: 134,781.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,790.48 : 220,471.50 = 97,685.36 : x
  2. Step 2: Convert to fraction form
    159,790.48/220,471.50 = 97,685.36/x
  3. Step 3: Cross multiply
    159,790.48x = 220,471.50 × 97,685.36
  4. Step 4: Simplify right side
    159,790.48x = 21,536,837,847.24
  5. Step 5: Solve for x
    x = 21,536,837,847.24/159,790.48
  6. Step 6: Final answer
    x = 134,781.73

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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.