Home / 166,425.72-229,668.55-89,944.64

Finding the Fourth Proportional to 166,425.72, 229,668.55 and 89,944.64

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Solution

The fourth proportional to 166,425.72, 229,668.55 and 89,944.64 is: 124,124.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,425.72 : 229,668.55 = 89,944.64 : x
  2. Step 2: Convert to fraction form
    166,425.72/229,668.55 = 89,944.64/x
  3. Step 3: Cross multiply
    166,425.72x = 229,668.55 × 89,944.64
  4. Step 4: Simplify right side
    166,425.72x = 20,657,455,049.07
  5. Step 5: Solve for x
    x = 20,657,455,049.07/166,425.72
  6. Step 6: Final answer
    x = 124,124.17

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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.