Home / 164,105.12-246,135.80-45,766.55

Finding the Fourth Proportional to 164,105.12, 246,135.80 and 45,766.55

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Solution

The fourth proportional to 164,105.12, 246,135.80 and 45,766.55 is: 68,643.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,105.12 : 246,135.80 = 45,766.55 : x
  2. Step 2: Convert to fraction form
    164,105.12/246,135.80 = 45,766.55/x
  3. Step 3: Cross multiply
    164,105.12x = 246,135.80 × 45,766.55
  4. Step 4: Simplify right side
    164,105.12x = 11,264,786,397.49
  5. Step 5: Solve for x
    x = 11,264,786,397.49/164,105.12
  6. Step 6: Final answer
    x = 68,643.72

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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.