Home / 159,828.57-220,646.34-116,759.70

Finding the Fourth Proportional to 159,828.57, 220,646.34 and 116,759.70

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Solution

The fourth proportional to 159,828.57, 220,646.34 and 116,759.70 is: 161,188.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,828.57 : 220,646.34 = 116,759.70 : x
  2. Step 2: Convert to fraction form
    159,828.57/220,646.34 = 116,759.70/x
  3. Step 3: Cross multiply
    159,828.57x = 220,646.34 × 116,759.70
  4. Step 4: Simplify right side
    159,828.57x = 25,762,600,464.50
  5. Step 5: Solve for x
    x = 25,762,600,464.50/159,828.57
  6. Step 6: Final answer
    x = 161,188.96

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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.