Home / 159,814.47-220,626.89-116,745.60

Finding the Fourth Proportional to 159,814.47, 220,626.89 and 116,745.60

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Solution

The fourth proportional to 159,814.47, 220,626.89 and 116,745.60 is: 161,169.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,814.47 : 220,626.89 = 116,745.60 : x
  2. Step 2: Convert to fraction form
    159,814.47/220,626.89 = 116,745.60/x
  3. Step 3: Cross multiply
    159,814.47x = 220,626.89 × 116,745.60
  4. Step 4: Simplify right side
    159,814.47x = 25,757,218,065.46
  5. Step 5: Solve for x
    x = 25,757,218,065.46/159,814.47
  6. Step 6: Final answer
    x = 161,169.50

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1.5x scale

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.