Home / 185,640.02-256,183.92-100,757.08

Finding the Fourth Proportional to 185,640.02, 256,183.92 and 100,757.08

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Solution

The fourth proportional to 185,640.02, 256,183.92 and 100,757.08 is: 139,045.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,640.02 : 256,183.92 = 100,757.08 : x
  2. Step 2: Convert to fraction form
    185,640.02/256,183.92 = 100,757.08/x
  3. Step 3: Cross multiply
    185,640.02x = 256,183.92 × 100,757.08
  4. Step 4: Simplify right side
    185,640.02x = 25,812,343,722.15
  5. Step 5: Solve for x
    x = 25,812,343,722.15/185,640.02
  6. Step 6: Final answer
    x = 139,045.15

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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.