Home / 123,772.02-170,806.14-67,183.80

Finding the Fourth Proportional to 123,772.02, 170,806.14 and 67,183.80

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Solution

The fourth proportional to 123,772.02, 170,806.14 and 67,183.80 is: 92,714.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,772.02 : 170,806.14 = 67,183.80 : x
  2. Step 2: Convert to fraction form
    123,772.02/170,806.14 = 67,183.80/x
  3. Step 3: Cross multiply
    123,772.02x = 170,806.14 × 67,183.80
  4. Step 4: Simplify right side
    123,772.02x = 11,475,405,548.53
  5. Step 5: Solve for x
    x = 11,475,405,548.53/123,772.02
  6. Step 6: Final answer
    x = 92,714.05

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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.