Home / 170,789.40-256,088.10-65,611.80

Finding the Fourth Proportional to 170,789.40, 256,088.10 and 65,611.80

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Solution

The fourth proportional to 170,789.40, 256,088.10 and 65,611.80 is: 98,380.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,789.40 : 256,088.10 = 65,611.80 : x
  2. Step 2: Convert to fraction form
    170,789.40/256,088.10 = 65,611.80/x
  3. Step 3: Cross multiply
    170,789.40x = 256,088.10 × 65,611.80
  4. Step 4: Simplify right side
    170,789.40x = 16,802,401,199.58
  5. Step 5: Solve for x
    x = 16,802,401,199.58/170,789.40
  6. Step 6: Final answer
    x = 98,380.82

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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.