Home / 166,743.69-229,950.83-154,358.76

Finding the Fourth Proportional to 166,743.69, 229,950.83 and 154,358.76

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Solution

The fourth proportional to 166,743.69, 229,950.83 and 154,358.76 is: 212,871.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,743.69 : 229,950.83 = 154,358.76 : x
  2. Step 2: Convert to fraction form
    166,743.69/229,950.83 = 154,358.76/x
  3. Step 3: Cross multiply
    166,743.69x = 229,950.83 × 154,358.76
  4. Step 4: Simplify right side
    166,743.69x = 35,494,924,979.77
  5. Step 5: Solve for x
    x = 35,494,924,979.77/166,743.69
  6. Step 6: Final answer
    x = 212,871.18

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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.