Home / 113,403.69-170,143.77-50,215.19

Finding the Fourth Proportional to 113,403.69, 170,143.77 and 50,215.19

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Solution

The fourth proportional to 113,403.69, 170,143.77 and 50,215.19 is: 75,339.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,403.69 : 170,143.77 = 50,215.19 : x
  2. Step 2: Convert to fraction form
    113,403.69/170,143.77 = 50,215.19/x
  3. Step 3: Cross multiply
    113,403.69x = 170,143.77 × 50,215.19
  4. Step 4: Simplify right side
    113,403.69x = 8,543,801,737.87
  5. Step 5: Solve for x
    x = 8,543,801,737.87/113,403.69
  6. Step 6: Final answer
    x = 75,339.72

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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.