Home / 162,942.70-244,414.05-69,436.30

Finding the Fourth Proportional to 162,942.70, 244,414.05 and 69,436.30

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Solution

The fourth proportional to 162,942.70, 244,414.05 and 69,436.30 is: 104,154.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,942.70 : 244,414.05 = 69,436.30 : x
  2. Step 2: Convert to fraction form
    162,942.70/244,414.05 = 69,436.30/x
  3. Step 3: Cross multiply
    162,942.70x = 244,414.05 × 69,436.30
  4. Step 4: Simplify right side
    162,942.70x = 16,971,207,300.02
  5. Step 5: Solve for x
    x = 16,971,207,300.02/162,942.70
  6. Step 6: Final answer
    x = 104,154.45

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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.