Home / 125,504.74-173,196.75-68,919.70

Finding the Fourth Proportional to 125,504.74, 173,196.75 and 68,919.70

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Solution

The fourth proportional to 125,504.74, 173,196.75 and 68,919.70 is: 95,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,504.74 : 173,196.75 = 68,919.70 : x
  2. Step 2: Convert to fraction form
    125,504.74/173,196.75 = 68,919.70/x
  3. Step 3: Cross multiply
    125,504.74x = 173,196.75 × 68,919.70
  4. Step 4: Simplify right side
    125,504.74x = 11,936,668,050.98
  5. Step 5: Solve for x
    x = 11,936,668,050.98/125,504.74
  6. Step 6: Final answer
    x = 95,109.30

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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.