Home / 166,189.23-229,065.40-117,729.07

Finding the Fourth Proportional to 166,189.23, 229,065.40 and 117,729.07

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Solution

The fourth proportional to 166,189.23, 229,065.40 and 117,729.07 is: 162,270.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,189.23 : 229,065.40 = 117,729.07 : x
  2. Step 2: Convert to fraction form
    166,189.23/229,065.40 = 117,729.07/x
  3. Step 3: Cross multiply
    166,189.23x = 229,065.40 × 117,729.07
  4. Step 4: Simplify right side
    166,189.23x = 26,967,656,657.72
  5. Step 5: Solve for x
    x = 26,967,656,657.72/166,189.23
  6. Step 6: Final answer
    x = 162,270.78

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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.