Home / 148,321.62-204,683.75-80,339.93

Finding the Fourth Proportional to 148,321.62, 204,683.75 and 80,339.93

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Solution

The fourth proportional to 148,321.62, 204,683.75 and 80,339.93 is: 110,869.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,321.62 : 204,683.75 = 80,339.93 : x
  2. Step 2: Convert to fraction form
    148,321.62/204,683.75 = 80,339.93/x
  3. Step 3: Cross multiply
    148,321.62x = 204,683.75 × 80,339.93
  4. Step 4: Simplify right side
    148,321.62x = 16,444,276,722.02
  5. Step 5: Solve for x
    x = 16,444,276,722.02/148,321.62
  6. Step 6: Final answer
    x = 110,869.05

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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.