Home / 119,418.40-164,820.96-68,465.36

Finding the Fourth Proportional to 119,418.40, 164,820.96 and 68,465.36

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Solution

The fourth proportional to 119,418.40, 164,820.96 and 68,465.36 is: 94,495.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,418.40 : 164,820.96 = 68,465.36 : x
  2. Step 2: Convert to fraction form
    119,418.40/164,820.96 = 68,465.36/x
  3. Step 3: Cross multiply
    119,418.40x = 164,820.96 × 68,465.36
  4. Step 4: Simplify right side
    119,418.40x = 11,284,526,361.95
  5. Step 5: Solve for x
    x = 11,284,526,361.95/119,418.40
  6. Step 6: Final answer
    x = 94,495.71

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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.