Home / 170,997.40-256,496.10-103,637.80

Finding the Fourth Proportional to 170,997.40, 256,496.10 and 103,637.80

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Solution

The fourth proportional to 170,997.40, 256,496.10 and 103,637.80 is: 155,456.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,997.40 : 256,496.10 = 103,637.80 : x
  2. Step 2: Convert to fraction form
    170,997.40/256,496.10 = 103,637.80/x
  3. Step 3: Cross multiply
    170,997.40x = 256,496.10 × 103,637.80
  4. Step 4: Simplify right side
    170,997.40x = 26,582,691,512.58
  5. Step 5: Solve for x
    x = 26,582,691,512.58/170,997.40
  6. Step 6: Final answer
    x = 155,456.70

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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.