Home / 101,119.67-151,561.39-76,079.26

Finding the Fourth Proportional to 101,119.67, 151,561.39 and 76,079.26

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Solution

The fourth proportional to 101,119.67, 151,561.39 and 76,079.26 is: 114,030.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,119.67 : 151,561.39 = 76,079.26 : x
  2. Step 2: Convert to fraction form
    101,119.67/151,561.39 = 76,079.26/x
  3. Step 3: Cross multiply
    101,119.67x = 151,561.39 × 76,079.26
  4. Step 4: Simplify right side
    101,119.67x = 11,530,678,395.77
  5. Step 5: Solve for x
    x = 11,530,678,395.77/101,119.67
  6. Step 6: Final answer
    x = 114,030.02

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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.