Home / 120,536.26-180,816.39-44,655.10

Finding the Fourth Proportional to 120,536.26, 180,816.39 and 44,655.10

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Solution

The fourth proportional to 120,536.26, 180,816.39 and 44,655.10 is: 66,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,536.26 : 180,816.39 = 44,655.10 : x
  2. Step 2: Convert to fraction form
    120,536.26/180,816.39 = 44,655.10/x
  3. Step 3: Cross multiply
    120,536.26x = 180,816.39 × 44,655.10
  4. Step 4: Simplify right side
    120,536.26x = 8,074,373,977.09
  5. Step 5: Solve for x
    x = 8,074,373,977.09/120,536.26
  6. Step 6: Final answer
    x = 66,987.10

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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.