Home / 130,493.92-180,162.48-117,041.44

Finding the Fourth Proportional to 130,493.92, 180,162.48 and 117,041.44

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Solution

The fourth proportional to 130,493.92, 180,162.48 and 117,041.44 is: 161,589.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,493.92 : 180,162.48 = 117,041.44 : x
  2. Step 2: Convert to fraction form
    130,493.92/180,162.48 = 117,041.44/x
  3. Step 3: Cross multiply
    130,493.92x = 180,162.48 × 117,041.44
  4. Step 4: Simplify right side
    130,493.92x = 21,086,476,093.17
  5. Step 5: Solve for x
    x = 21,086,476,093.17/130,493.92
  6. Step 6: Final answer
    x = 161,589.72

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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.