Home / 159,835.18-220,571.46-88,215.20

Finding the Fourth Proportional to 159,835.18, 220,571.46 and 88,215.20

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Solution

The fourth proportional to 159,835.18, 220,571.46 and 88,215.20 is: 121,736.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,835.18 : 220,571.46 = 88,215.20 : x
  2. Step 2: Convert to fraction form
    159,835.18/220,571.46 = 88,215.20/x
  3. Step 3: Cross multiply
    159,835.18x = 220,571.46 × 88,215.20
  4. Step 4: Simplify right side
    159,835.18x = 19,457,755,678.73
  5. Step 5: Solve for x
    x = 19,457,755,678.73/159,835.18
  6. Step 6: Final answer
    x = 121,736.38

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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.