Home / 166,378.59-229,643.25-94,800.78

Finding the Fourth Proportional to 166,378.59, 229,643.25 and 94,800.78

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Solution

The fourth proportional to 166,378.59, 229,643.25 and 94,800.78 is: 130,848.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,378.59 : 229,643.25 = 94,800.78 : x
  2. Step 2: Convert to fraction form
    166,378.59/229,643.25 = 94,800.78/x
  3. Step 3: Cross multiply
    166,378.59x = 229,643.25 × 94,800.78
  4. Step 4: Simplify right side
    166,378.59x = 21,770,359,221.74
  5. Step 5: Solve for x
    x = 21,770,359,221.74/166,378.59
  6. Step 6: Final answer
    x = 130,848.32

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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.