Home / 159,173.76-219,648.96-92,115.84

Finding the Fourth Proportional to 159,173.76, 219,648.96 and 92,115.84

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Solution

The fourth proportional to 159,173.76, 219,648.96 and 92,115.84 is: 127,113.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,173.76 : 219,648.96 = 92,115.84 : x
  2. Step 2: Convert to fraction form
    159,173.76/219,648.96 = 92,115.84/x
  3. Step 3: Cross multiply
    159,173.76x = 219,648.96 × 92,115.84
  4. Step 4: Simplify right side
    159,173.76x = 20,233,148,455.53
  5. Step 5: Solve for x
    x = 20,233,148,455.53/159,173.76
  6. Step 6: Final answer
    x = 127,113.59

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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.