Home / 159,735.12-220,533.48-112,180.56

Finding the Fourth Proportional to 159,735.12, 220,533.48 and 112,180.56

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Solution

The fourth proportional to 159,735.12, 220,533.48 and 112,180.56 is: 154,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,735.12 : 220,533.48 = 112,180.56 : x
  2. Step 2: Convert to fraction form
    159,735.12/220,533.48 = 112,180.56/x
  3. Step 3: Cross multiply
    159,735.12x = 220,533.48 × 112,180.56
  4. Step 4: Simplify right side
    159,735.12x = 24,739,569,285.15
  5. Step 5: Solve for x
    x = 24,739,569,285.15/159,735.12
  6. Step 6: Final answer
    x = 154,878.71

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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.