Home / 146,100.61-219,159.17-40,927.78

Finding the Fourth Proportional to 146,100.61, 219,159.17 and 40,927.78

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Solution

The fourth proportional to 146,100.61, 219,159.17 and 40,927.78 is: 61,393.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,100.61 : 219,159.17 = 40,927.78 : x
  2. Step 2: Convert to fraction form
    146,100.61/219,159.17 = 40,927.78/x
  3. Step 3: Cross multiply
    146,100.61x = 219,159.17 × 40,927.78
  4. Step 4: Simplify right side
    146,100.61x = 8,969,698,517.53
  5. Step 5: Solve for x
    x = 8,969,698,517.53/146,100.61
  6. Step 6: Final answer
    x = 61,393.98

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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.