Home / 166,731.17-230,089.07-91,279.67

Finding the Fourth Proportional to 166,731.17, 230,089.07 and 91,279.67

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Solution

The fourth proportional to 166,731.17, 230,089.07 and 91,279.67 is: 125,965.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,731.17 : 230,089.07 = 91,279.67 : x
  2. Step 2: Convert to fraction form
    166,731.17/230,089.07 = 91,279.67/x
  3. Step 3: Cross multiply
    166,731.17x = 230,089.07 × 91,279.67
  4. Step 4: Simplify right side
    166,731.17x = 21,002,453,457.96
  5. Step 5: Solve for x
    x = 21,002,453,457.96/166,731.17
  6. Step 6: Final answer
    x = 125,965.97

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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.