Home / 207,348.06-311,036.20-70,515.44

Finding the Fourth Proportional to 207,348.06, 311,036.20 and 70,515.44

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Solution

The fourth proportional to 207,348.06, 311,036.20 and 70,515.44 is: 105,777.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,348.06 : 311,036.20 = 70,515.44 : x
  2. Step 2: Convert to fraction form
    207,348.06/311,036.20 = 70,515.44/x
  3. Step 3: Cross multiply
    207,348.06x = 311,036.20 × 70,515.44
  4. Step 4: Simplify right side
    207,348.06x = 21,932,854,498.93
  5. Step 5: Solve for x
    x = 21,932,854,498.93/207,348.06
  6. Step 6: Final answer
    x = 105,777.96

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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.