Home / 166,084.84-229,197.54-99,015.40

Finding the Fourth Proportional to 166,084.84, 229,197.54 and 99,015.40

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Solution

The fourth proportional to 166,084.84, 229,197.54 and 99,015.40 is: 136,641.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,084.84 : 229,197.54 = 99,015.40 : x
  2. Step 2: Convert to fraction form
    166,084.84/229,197.54 = 99,015.40/x
  3. Step 3: Cross multiply
    166,084.84x = 229,197.54 × 99,015.40
  4. Step 4: Simplify right side
    166,084.84x = 22,694,086,102.12
  5. Step 5: Solve for x
    x = 22,694,086,102.12/166,084.84
  6. Step 6: Final answer
    x = 136,641.53

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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.