Home / 185,589.95-256,114.82-100,707.02

Finding the Fourth Proportional to 185,589.95, 256,114.82 and 100,707.02

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Solution

The fourth proportional to 185,589.95, 256,114.82 and 100,707.02 is: 138,976.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,589.95 : 256,114.82 = 100,707.02 : x
  2. Step 2: Convert to fraction form
    185,589.95/256,114.82 = 100,707.02/x
  3. Step 3: Cross multiply
    185,589.95x = 256,114.82 × 100,707.02
  4. Step 4: Simplify right side
    185,589.95x = 25,792,560,300.04
  5. Step 5: Solve for x
    x = 25,792,560,300.04/185,589.95
  6. Step 6: Final answer
    x = 138,976.06

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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.