Home / 120,649.25-166,496.10-70,357.97

Finding the Fourth Proportional to 120,649.25, 166,496.10 and 70,357.97

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Solution

The fourth proportional to 120,649.25, 166,496.10 and 70,357.97 is: 97,094.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,649.25 : 166,496.10 = 70,357.97 : x
  2. Step 2: Convert to fraction form
    120,649.25/166,496.10 = 70,357.97/x
  3. Step 3: Cross multiply
    120,649.25x = 166,496.10 × 70,357.97
  4. Step 4: Simplify right side
    120,649.25x = 11,714,327,608.92
  5. Step 5: Solve for x
    x = 11,714,327,608.92/120,649.25
  6. Step 6: Final answer
    x = 97,094.08

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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.