Home / 120,984.90-166,958.28-67,269.48

Finding the Fourth Proportional to 120,984.90, 166,958.28 and 67,269.48

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Solution

The fourth proportional to 120,984.90, 166,958.28 and 67,269.48 is: 92,831.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,984.90 : 166,958.28 = 67,269.48 : x
  2. Step 2: Convert to fraction form
    120,984.90/166,958.28 = 67,269.48/x
  3. Step 3: Cross multiply
    120,984.90x = 166,958.28 × 67,269.48
  4. Step 4: Simplify right side
    120,984.90x = 11,231,196,677.29
  5. Step 5: Solve for x
    x = 11,231,196,677.29/120,984.90
  6. Step 6: Final answer
    x = 92,831.39

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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.