Home / 119,141.84-164,428.86-68,159.30

Finding the Fourth Proportional to 119,141.84, 164,428.86 and 68,159.30

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Solution

The fourth proportional to 119,141.84, 164,428.86 and 68,159.30 is: 94,067.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,141.84 : 164,428.86 = 68,159.30 : x
  2. Step 2: Convert to fraction form
    119,141.84/164,428.86 = 68,159.30/x
  3. Step 3: Cross multiply
    119,141.84x = 164,428.86 × 68,159.30
  4. Step 4: Simplify right side
    119,141.84x = 11,207,355,997.40
  5. Step 5: Solve for x
    x = 11,207,355,997.40/119,141.84
  6. Step 6: Final answer
    x = 94,067.34

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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.