Home / 207,566.56-311,393.58-67,314.25

Finding the Fourth Proportional to 207,566.56, 311,393.58 and 67,314.25

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Solution

The fourth proportional to 207,566.56, 311,393.58 and 67,314.25 is: 100,985.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,566.56 : 311,393.58 = 67,314.25 : x
  2. Step 2: Convert to fraction form
    207,566.56/311,393.58 = 67,314.25/x
  3. Step 3: Cross multiply
    207,566.56x = 311,393.58 × 67,314.25
  4. Step 4: Simplify right side
    207,566.56x = 20,961,225,292.52
  5. Step 5: Solve for x
    x = 20,961,225,292.52/207,566.56
  6. Step 6: Final answer
    x = 100,985.56

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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.