Home / 119,106.36-164,381.40-68,805.36

Finding the Fourth Proportional to 119,106.36, 164,381.40 and 68,805.36

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Solution

The fourth proportional to 119,106.36, 164,381.40 and 68,805.36 is: 94,959.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,106.36 : 164,381.40 = 68,805.36 : x
  2. Step 2: Convert to fraction form
    119,106.36/164,381.40 = 68,805.36/x
  3. Step 3: Cross multiply
    119,106.36x = 164,381.40 × 68,805.36
  4. Step 4: Simplify right side
    119,106.36x = 11,310,321,404.30
  5. Step 5: Solve for x
    x = 11,310,321,404.30/119,106.36
  6. Step 6: Final answer
    x = 94,959.84

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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.