Home / 141,550.20-212,325.30-57,310.20

Finding the Fourth Proportional to 141,550.20, 212,325.30 and 57,310.20

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Solution

The fourth proportional to 141,550.20, 212,325.30 and 57,310.20 is: 85,965.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,550.20 : 212,325.30 = 57,310.20 : x
  2. Step 2: Convert to fraction form
    141,550.20/212,325.30 = 57,310.20/x
  3. Step 3: Cross multiply
    141,550.20x = 212,325.30 × 57,310.20
  4. Step 4: Simplify right side
    141,550.20x = 12,168,405,408.06
  5. Step 5: Solve for x
    x = 12,168,405,408.06/141,550.20
  6. Step 6: Final answer
    x = 85,965.30

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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.