Home / 159,917.50-220,705.60-92,849.50

Finding the Fourth Proportional to 159,917.50, 220,705.60 and 92,849.50

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Solution

The fourth proportional to 159,917.50, 220,705.60 and 92,849.50 is: 128,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,917.50 : 220,705.60 = 92,849.50 : x
  2. Step 2: Convert to fraction form
    159,917.50/220,705.60 = 92,849.50/x
  3. Step 3: Cross multiply
    159,917.50x = 220,705.60 × 92,849.50
  4. Step 4: Simplify right side
    159,917.50x = 20,492,404,607.20
  5. Step 5: Solve for x
    x = 20,492,404,607.20/159,917.50
  6. Step 6: Final answer
    x = 128,143.60

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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.