Home / 166,609.92-229,928.40-91,159.20

Finding the Fourth Proportional to 166,609.92, 229,928.40 and 91,159.20

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Solution

The fourth proportional to 166,609.92, 229,928.40 and 91,159.20 is: 125,803.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,609.92 : 229,928.40 = 91,159.20 : x
  2. Step 2: Convert to fraction form
    166,609.92/229,928.40 = 91,159.20/x
  3. Step 3: Cross multiply
    166,609.92x = 229,928.40 × 91,159.20
  4. Step 4: Simplify right side
    166,609.92x = 20,960,089,001.28
  5. Step 5: Solve for x
    x = 20,960,089,001.28/166,609.92
  6. Step 6: Final answer
    x = 125,803.37

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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.