Home / 125,625.78-173,294.37-79,601.22

Finding the Fourth Proportional to 125,625.78, 173,294.37 and 79,601.22

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Solution

The fourth proportional to 125,625.78, 173,294.37 and 79,601.22 is: 109,805.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,625.78 : 173,294.37 = 79,601.22 : x
  2. Step 2: Convert to fraction form
    125,625.78/173,294.37 = 79,601.22/x
  3. Step 3: Cross multiply
    125,625.78x = 173,294.37 × 79,601.22
  4. Step 4: Simplify right side
    125,625.78x = 13,794,443,271.13
  5. Step 5: Solve for x
    x = 13,794,443,271.13/125,625.78
  6. Step 6: Final answer
    x = 109,805.83

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1.5x scale

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.