Home / 120,742.48-166,621.35-67,026.12

Finding the Fourth Proportional to 120,742.48, 166,621.35 and 67,026.12

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Solution

The fourth proportional to 120,742.48, 166,621.35 and 67,026.12 is: 92,494.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,742.48 : 166,621.35 = 67,026.12 : x
  2. Step 2: Convert to fraction form
    120,742.48/166,621.35 = 67,026.12/x
  3. Step 3: Cross multiply
    120,742.48x = 166,621.35 × 67,026.12
  4. Step 4: Simplify right side
    120,742.48x = 11,167,982,599.66
  5. Step 5: Solve for x
    x = 11,167,982,599.66/120,742.48
  6. Step 6: Final answer
    x = 92,494.23

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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.