Home / 125,566.33-173,327.03-83,138.53

Finding the Fourth Proportional to 125,566.33, 173,327.03 and 83,138.53

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Solution

The fourth proportional to 125,566.33, 173,327.03 and 83,138.53 is: 114,761.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,566.33 : 173,327.03 = 83,138.53 : x
  2. Step 2: Convert to fraction form
    125,566.33/173,327.03 = 83,138.53/x
  3. Step 3: Cross multiply
    125,566.33x = 173,327.03 × 83,138.53
  4. Step 4: Simplify right side
    125,566.33x = 14,410,154,483.47
  5. Step 5: Solve for x
    x = 14,410,154,483.47/125,566.33
  6. Step 6: Final answer
    x = 114,761.29

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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.