Home / 166,688.40-229,972.80-95,016.72

Finding the Fourth Proportional to 166,688.40, 229,972.80 and 95,016.72

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Solution

The fourth proportional to 166,688.40, 229,972.80 and 95,016.72 is: 131,090.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,688.40 : 229,972.80 = 95,016.72 : x
  2. Step 2: Convert to fraction form
    166,688.40/229,972.80 = 95,016.72/x
  3. Step 3: Cross multiply
    166,688.40x = 229,972.80 × 95,016.72
  4. Step 4: Simplify right side
    166,688.40x = 21,851,261,145.22
  5. Step 5: Solve for x
    x = 21,851,261,145.22/166,688.40
  6. Step 6: Final answer
    x = 131,090.47

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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.