Home / 120,829.08-166,741.56-67,113.12

Finding the Fourth Proportional to 120,829.08, 166,741.56 and 67,113.12

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Solution

The fourth proportional to 120,829.08, 166,741.56 and 67,113.12 is: 92,614.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,829.08 : 166,741.56 = 67,113.12 : x
  2. Step 2: Convert to fraction form
    120,829.08/166,741.56 = 67,113.12/x
  3. Step 3: Cross multiply
    120,829.08x = 166,741.56 × 67,113.12
  4. Step 4: Simplify right side
    120,829.08x = 11,190,546,325.27
  5. Step 5: Solve for x
    x = 11,190,546,325.27/120,829.08
  6. Step 6: Final answer
    x = 92,614.68

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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.