Home / 166,425.47-229,668.20-89,944.39

Finding the Fourth Proportional to 166,425.47, 229,668.20 and 89,944.39

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Solution

The fourth proportional to 166,425.47, 229,668.20 and 89,944.39 is: 124,123.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,425.47 : 229,668.20 = 89,944.39 : x
  2. Step 2: Convert to fraction form
    166,425.47/229,668.20 = 89,944.39/x
  3. Step 3: Cross multiply
    166,425.47x = 229,668.20 × 89,944.39
  4. Step 4: Simplify right side
    166,425.47x = 20,657,365,802.09
  5. Step 5: Solve for x
    x = 20,657,365,802.09/166,425.47
  6. Step 6: Final answer
    x = 124,123.82

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1.5x scale

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.