Home / 166,101.87-229,190.40-98,129.91

Finding the Fourth Proportional to 166,101.87, 229,190.40 and 98,129.91

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Solution

The fourth proportional to 166,101.87, 229,190.40 and 98,129.91 is: 135,401.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,101.87 : 229,190.40 = 98,129.91 : x
  2. Step 2: Convert to fraction form
    166,101.87/229,190.40 = 98,129.91/x
  3. Step 3: Cross multiply
    166,101.87x = 229,190.40 × 98,129.91
  4. Step 4: Simplify right side
    166,101.87x = 22,490,433,324.86
  5. Step 5: Solve for x
    x = 22,490,433,324.86/166,101.87
  6. Step 6: Final answer
    x = 135,401.45

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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.