Home / 161,815.50-242,771.04-82,984.95

Finding the Fourth Proportional to 161,815.50, 242,771.04 and 82,984.95

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Solution

The fourth proportional to 161,815.50, 242,771.04 and 82,984.95 is: 124,501.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,815.50 : 242,771.04 = 82,984.95 : x
  2. Step 2: Convert to fraction form
    161,815.50/242,771.04 = 82,984.95/x
  3. Step 3: Cross multiply
    161,815.50x = 242,771.04 × 82,984.95
  4. Step 4: Simplify right side
    161,815.50x = 20,146,342,615.85
  5. Step 5: Solve for x
    x = 20,146,342,615.85/161,815.50
  6. Step 6: Final answer
    x = 124,501.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.