Home / 125,805.22-173,423.37-83,289.94

Finding the Fourth Proportional to 125,805.22, 173,423.37 and 83,289.94

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Solution

The fourth proportional to 125,805.22, 173,423.37 and 83,289.94 is: 114,815.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,805.22 : 173,423.37 = 83,289.94 : x
  2. Step 2: Convert to fraction form
    125,805.22/173,423.37 = 83,289.94/x
  3. Step 3: Cross multiply
    125,805.22x = 173,423.37 × 83,289.94
  4. Step 4: Simplify right side
    125,805.22x = 14,444,422,081.90
  5. Step 5: Solve for x
    x = 14,444,422,081.90/125,805.22
  6. Step 6: Final answer
    x = 114,815.76

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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.