Home / 165,093.90-247,640.85-40,434.90

Finding the Fourth Proportional to 165,093.90, 247,640.85 and 40,434.90

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Solution

The fourth proportional to 165,093.90, 247,640.85 and 40,434.90 is: 60,652.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,093.90 : 247,640.85 = 40,434.90 : x
  2. Step 2: Convert to fraction form
    165,093.90/247,640.85 = 40,434.90/x
  3. Step 3: Cross multiply
    165,093.90x = 247,640.85 × 40,434.90
  4. Step 4: Simplify right side
    165,093.90x = 10,013,333,005.67
  5. Step 5: Solve for x
    x = 10,013,333,005.67/165,093.90
  6. Step 6: Final answer
    x = 60,652.35

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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.