Home / 141,350.40-212,025.60-71,366.40

Finding the Fourth Proportional to 141,350.40, 212,025.60 and 71,366.40

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Solution

The fourth proportional to 141,350.40, 212,025.60 and 71,366.40 is: 107,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,350.40 : 212,025.60 = 71,366.40 : x
  2. Step 2: Convert to fraction form
    141,350.40/212,025.60 = 71,366.40/x
  3. Step 3: Cross multiply
    141,350.40x = 212,025.60 × 71,366.40
  4. Step 4: Simplify right side
    141,350.40x = 15,131,503,779.84
  5. Step 5: Solve for x
    x = 15,131,503,779.84/141,350.40
  6. Step 6: Final answer
    x = 107,049.60

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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.