Home / 166,633.81-229,954.03-90,152.67

Finding the Fourth Proportional to 166,633.81, 229,954.03 and 90,152.67

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Solution

The fourth proportional to 166,633.81, 229,954.03 and 90,152.67 is: 124,410.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,633.81 : 229,954.03 = 90,152.67 : x
  2. Step 2: Convert to fraction form
    166,633.81/229,954.03 = 90,152.67/x
  3. Step 3: Cross multiply
    166,633.81x = 229,954.03 × 90,152.67
  4. Step 4: Simplify right side
    166,633.81x = 20,730,969,781.76
  5. Step 5: Solve for x
    x = 20,730,969,781.76/166,633.81
  6. Step 6: Final answer
    x = 124,410.34

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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.