Home / 153,982.45-212,377.68-92,664.74

Finding the Fourth Proportional to 153,982.45, 212,377.68 and 92,664.74

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Solution

The fourth proportional to 153,982.45, 212,377.68 and 92,664.74 is: 127,806.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,982.45 : 212,377.68 = 92,664.74 : x
  2. Step 2: Convert to fraction form
    153,982.45/212,377.68 = 92,664.74/x
  3. Step 3: Cross multiply
    153,982.45x = 212,377.68 × 92,664.74
  4. Step 4: Simplify right side
    153,982.45x = 19,679,923,029.95
  5. Step 5: Solve for x
    x = 19,679,923,029.95/153,982.45
  6. Step 6: Final answer
    x = 127,806.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.