Home / 168,920.12-253,339.86-50,559.68

Finding the Fourth Proportional to 168,920.12, 253,339.86 and 50,559.68

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Solution

The fourth proportional to 168,920.12, 253,339.86 and 50,559.68 is: 75,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,920.12 : 253,339.86 = 50,559.68 : x
  2. Step 2: Convert to fraction form
    168,920.12/253,339.86 = 50,559.68/x
  3. Step 3: Cross multiply
    168,920.12x = 253,339.86 × 50,559.68
  4. Step 4: Simplify right side
    168,920.12x = 12,808,782,252.84
  5. Step 5: Solve for x
    x = 12,808,782,252.84/168,920.12
  6. Step 6: Final answer
    x = 75,827.45

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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.