Home / 164,820.85-247,149.49-52,486.43

Finding the Fourth Proportional to 164,820.85, 247,149.49 and 52,486.43

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Solution

The fourth proportional to 164,820.85, 247,149.49 and 52,486.43 is: 78,703.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,820.85 : 247,149.49 = 52,486.43 : x
  2. Step 2: Convert to fraction form
    164,820.85/247,149.49 = 52,486.43/x
  3. Step 3: Cross multiply
    164,820.85x = 247,149.49 × 52,486.43
  4. Step 4: Simplify right side
    164,820.85x = 12,971,993,039.46
  5. Step 5: Solve for x
    x = 12,971,993,039.46/164,820.85
  6. Step 6: Final answer
    x = 78,703.59

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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.