Home / 120,726.36-181,065.60-60,738.84

Finding the Fourth Proportional to 120,726.36, 181,065.60 and 60,738.84

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Solution

The fourth proportional to 120,726.36, 181,065.60 and 60,738.84 is: 91,096.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,726.36 : 181,065.60 = 60,738.84 : x
  2. Step 2: Convert to fraction form
    120,726.36/181,065.60 = 60,738.84/x
  3. Step 3: Cross multiply
    120,726.36x = 181,065.60 × 60,738.84
  4. Step 4: Simplify right side
    120,726.36x = 10,997,714,507.90
  5. Step 5: Solve for x
    x = 10,997,714,507.90/120,726.36
  6. Step 6: Final answer
    x = 91,096.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.