Home / 207,584.56-311,420.58-67,332.25

Finding the Fourth Proportional to 207,584.56, 311,420.58 and 67,332.25

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Solution

The fourth proportional to 207,584.56, 311,420.58 and 67,332.25 is: 101,012.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,584.56 : 311,420.58 = 67,332.25 : x
  2. Step 2: Convert to fraction form
    207,584.56/311,420.58 = 67,332.25/x
  3. Step 3: Cross multiply
    207,584.56x = 311,420.58 × 67,332.25
  4. Step 4: Simplify right side
    207,584.56x = 20,968,648,347.71
  5. Step 5: Solve for x
    x = 20,968,648,347.71/207,584.56
  6. Step 6: Final answer
    x = 101,012.56

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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.