Home / 125,982.17-173,777.22-74,960.40

Finding the Fourth Proportional to 125,982.17, 173,777.22 and 74,960.40

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Solution

The fourth proportional to 125,982.17, 173,777.22 and 74,960.40 is: 103,398.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,982.17 : 173,777.22 = 74,960.40 : x
  2. Step 2: Convert to fraction form
    125,982.17/173,777.22 = 74,960.40/x
  3. Step 3: Cross multiply
    125,982.17x = 173,777.22 × 74,960.40
  4. Step 4: Simplify right side
    125,982.17x = 13,026,409,922.09
  5. Step 5: Solve for x
    x = 13,026,409,922.09/125,982.17
  6. Step 6: Final answer
    x = 103,398.84

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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.