Home / 167,683.95-231,401.55-91,201.39

Finding the Fourth Proportional to 167,683.95, 231,401.55 and 91,201.39

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Solution

The fourth proportional to 167,683.95, 231,401.55 and 91,201.39 is: 125,856.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,683.95 : 231,401.55 = 91,201.39 : x
  2. Step 2: Convert to fraction form
    167,683.95/231,401.55 = 91,201.39/x
  3. Step 3: Cross multiply
    167,683.95x = 231,401.55 × 91,201.39
  4. Step 4: Simplify right side
    167,683.95x = 21,104,143,008.15
  5. Step 5: Solve for x
    x = 21,104,143,008.15/167,683.95
  6. Step 6: Final answer
    x = 125,856.67

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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.