Home / 180,690.36-271,135.98-80,846.52

Finding the Fourth Proportional to 180,690.36, 271,135.98 and 80,846.52

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Solution

The fourth proportional to 180,690.36, 271,135.98 and 80,846.52 is: 121,314.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,690.36 : 271,135.98 = 80,846.52 : x
  2. Step 2: Convert to fraction form
    180,690.36/271,135.98 = 80,846.52/x
  3. Step 3: Cross multiply
    180,690.36x = 271,135.98 × 80,846.52
  4. Step 4: Simplify right side
    180,690.36x = 21,920,400,429.79
  5. Step 5: Solve for x
    x = 21,920,400,429.79/180,690.36
  6. Step 6: Final answer
    x = 121,314.72

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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.