Home / 166,613.39-229,687.31-118,783.70

Finding the Fourth Proportional to 166,613.39, 229,687.31 and 118,783.70

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Solution

The fourth proportional to 166,613.39, 229,687.31 and 118,783.70 is: 163,750.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,613.39 : 229,687.31 = 118,783.70 : x
  2. Step 2: Convert to fraction form
    166,613.39/229,687.31 = 118,783.70/x
  3. Step 3: Cross multiply
    166,613.39x = 229,687.31 × 118,783.70
  4. Step 4: Simplify right side
    166,613.39x = 27,283,107,930.93
  5. Step 5: Solve for x
    x = 27,283,107,930.93/166,613.39
  6. Step 6: Final answer
    x = 163,750.99

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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.