Home / 168,820.46-253,137.20-69,050.71

Finding the Fourth Proportional to 168,820.46, 253,137.20 and 69,050.71

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Solution

The fourth proportional to 168,820.46, 253,137.20 and 69,050.71 is: 103,537.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,820.46 : 253,137.20 = 69,050.71 : x
  2. Step 2: Convert to fraction form
    168,820.46/253,137.20 = 69,050.71/x
  3. Step 3: Cross multiply
    168,820.46x = 253,137.20 × 69,050.71
  4. Step 4: Simplify right side
    168,820.46x = 17,479,302,409.32
  5. Step 5: Solve for x
    x = 17,479,302,409.32/168,820.46
  6. Step 6: Final answer
    x = 103,537.82

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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.