Home / 115,427.49-173,195.90-79,943.41

Finding the Fourth Proportional to 115,427.49, 173,195.90 and 79,943.41

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Solution

The fourth proportional to 115,427.49, 173,195.90 and 79,943.41 is: 119,952.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,427.49 : 173,195.90 = 79,943.41 : x
  2. Step 2: Convert to fraction form
    115,427.49/173,195.90 = 79,943.41/x
  3. Step 3: Cross multiply
    115,427.49x = 173,195.90 × 79,943.41
  4. Step 4: Simplify right side
    115,427.49x = 13,845,871,410.27
  5. Step 5: Solve for x
    x = 13,845,871,410.27/115,427.49
  6. Step 6: Final answer
    x = 119,952.98

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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.