Home / 159,586.03-220,166.93-91,578.43

Finding the Fourth Proportional to 159,586.03, 220,166.93 and 91,578.43

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Solution

The fourth proportional to 159,586.03, 220,166.93 and 91,578.43 is: 126,342.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,586.03 : 220,166.93 = 91,578.43 : x
  2. Step 2: Convert to fraction form
    159,586.03/220,166.93 = 91,578.43/x
  3. Step 3: Cross multiply
    159,586.03x = 220,166.93 × 91,578.43
  4. Step 4: Simplify right side
    159,586.03x = 20,162,540,228.59
  5. Step 5: Solve for x
    x = 20,162,540,228.59/159,586.03
  6. Step 6: Final answer
    x = 126,342.77

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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.