Home / 170,738.20-256,107.30-153,825.40

Finding the Fourth Proportional to 170,738.20, 256,107.30 and 153,825.40

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Solution

The fourth proportional to 170,738.20, 256,107.30 and 153,825.40 is: 230,738.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,738.20 : 256,107.30 = 153,825.40 : x
  2. Step 2: Convert to fraction form
    170,738.20/256,107.30 = 153,825.40/x
  3. Step 3: Cross multiply
    170,738.20x = 256,107.30 × 153,825.40
  4. Step 4: Simplify right side
    170,738.20x = 39,395,807,865.42
  5. Step 5: Solve for x
    x = 39,395,807,865.42/170,738.20
  6. Step 6: Final answer
    x = 230,738.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.