Home / 136,996.02-189,076.54-86,016.04

Finding the Fourth Proportional to 136,996.02, 189,076.54 and 86,016.04

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Solution

The fourth proportional to 136,996.02, 189,076.54 and 86,016.04 is: 118,715.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,996.02 : 189,076.54 = 86,016.04 : x
  2. Step 2: Convert to fraction form
    136,996.02/189,076.54 = 86,016.04/x
  3. Step 3: Cross multiply
    136,996.02x = 189,076.54 × 86,016.04
  4. Step 4: Simplify right side
    136,996.02x = 16,263,615,227.70
  5. Step 5: Solve for x
    x = 16,263,615,227.70/136,996.02
  6. Step 6: Final answer
    x = 118,715.97

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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.