Home / 120,547.20-166,321.44-70,236.48

Finding the Fourth Proportional to 120,547.20, 166,321.44 and 70,236.48

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Solution

The fourth proportional to 120,547.20, 166,321.44 and 70,236.48 is: 96,906.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,547.20 : 166,321.44 = 70,236.48 : x
  2. Step 2: Convert to fraction form
    120,547.20/166,321.44 = 70,236.48/x
  3. Step 3: Cross multiply
    120,547.20x = 166,321.44 × 70,236.48
  4. Step 4: Simplify right side
    120,547.20x = 11,681,832,494.13
  5. Step 5: Solve for x
    x = 11,681,832,494.13/120,547.20
  6. Step 6: Final answer
    x = 96,906.71

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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.