Home / 192,962.98-289,435.56-52,721.20

Finding the Fourth Proportional to 192,962.98, 289,435.56 and 52,721.20

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Solution

The fourth proportional to 192,962.98, 289,435.56 and 52,721.20 is: 79,079.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,962.98 : 289,435.56 = 52,721.20 : x
  2. Step 2: Convert to fraction form
    192,962.98/289,435.56 = 52,721.20/x
  3. Step 3: Cross multiply
    192,962.98x = 289,435.56 × 52,721.20
  4. Step 4: Simplify right side
    192,962.98x = 15,259,390,045.87
  5. Step 5: Solve for x
    x = 15,259,390,045.87/192,962.98
  6. Step 6: Final answer
    x = 79,079.37

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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.