Home / 168,216.12-232,136.82-92,763

Finding the Fourth Proportional to 168,216.12, 232,136.82 and 92,763

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Solution

The fourth proportional to 168,216.12, 232,136.82 and 92,763 is: 128,012.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,216.12 : 232,136.82 = 92,763 : x
  2. Step 2: Convert to fraction form
    168,216.12/232,136.82 = 92,763/x
  3. Step 3: Cross multiply
    168,216.12x = 232,136.82 × 92,763
  4. Step 4: Simplify right side
    168,216.12x = 21,533,707,833.66
  5. Step 5: Solve for x
    x = 21,533,707,833.66/168,216.12
  6. Step 6: Final answer
    x = 128,012.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.