Home / 119,010.12-178,241.64-68,966.46

Finding the Fourth Proportional to 119,010.12, 178,241.64 and 68,966.46

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Solution

The fourth proportional to 119,010.12, 178,241.64 and 68,966.46 is: 103,291.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,010.12 : 178,241.64 = 68,966.46 : x
  2. Step 2: Convert to fraction form
    119,010.12/178,241.64 = 68,966.46/x
  3. Step 3: Cross multiply
    119,010.12x = 178,241.64 × 68,966.46
  4. Step 4: Simplify right side
    119,010.12x = 12,292,694,935.39
  5. Step 5: Solve for x
    x = 12,292,694,935.39/119,010.12
  6. Step 6: Final answer
    x = 103,291.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.