Home / 170,991.36-256,534.20-71,198.40

Finding the Fourth Proportional to 170,991.36, 256,534.20 and 71,198.40

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Solution

The fourth proportional to 170,991.36, 256,534.20 and 71,198.40 is: 106,817.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,991.36 : 256,534.20 = 71,198.40 : x
  2. Step 2: Convert to fraction form
    170,991.36/256,534.20 = 71,198.40/x
  3. Step 3: Cross multiply
    170,991.36x = 256,534.20 × 71,198.40
  4. Step 4: Simplify right side
    170,991.36x = 18,264,824,585.28
  5. Step 5: Solve for x
    x = 18,264,824,585.28/170,991.36
  6. Step 6: Final answer
    x = 106,817.24

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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.