Home / 185,589.45-256,114.13-100,706.52

Finding the Fourth Proportional to 185,589.45, 256,114.13 and 100,706.52

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Solution

The fourth proportional to 185,589.45, 256,114.13 and 100,706.52 is: 138,975.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,589.45 : 256,114.13 = 100,706.52 : x
  2. Step 2: Convert to fraction form
    185,589.45/256,114.13 = 100,706.52/x
  3. Step 3: Cross multiply
    185,589.45x = 256,114.13 × 100,706.52
  4. Step 4: Simplify right side
    185,589.45x = 25,792,362,755.13
  5. Step 5: Solve for x
    x = 25,792,362,755.13/185,589.45
  6. Step 6: Final answer
    x = 138,975.37

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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.