Home / 130,157.78-179,633.49-73,568.66

Finding the Fourth Proportional to 130,157.78, 179,633.49 and 73,568.66

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Solution

The fourth proportional to 130,157.78, 179,633.49 and 73,568.66 is: 101,533.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,157.78 : 179,633.49 = 73,568.66 : x
  2. Step 2: Convert to fraction form
    130,157.78/179,633.49 = 73,568.66/x
  3. Step 3: Cross multiply
    130,157.78x = 179,633.49 × 73,568.66
  4. Step 4: Simplify right side
    130,157.78x = 13,215,395,150.42
  5. Step 5: Solve for x
    x = 13,215,395,150.42/130,157.78
  6. Step 6: Final answer
    x = 101,533.66

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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.