Home / 207,583.04-311,374.80-67,352.60

Finding the Fourth Proportional to 207,583.04, 311,374.80 and 67,352.60

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Solution

The fourth proportional to 207,583.04, 311,374.80 and 67,352.60 is: 101,028.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,583.04 : 311,374.80 = 67,352.60 : x
  2. Step 2: Convert to fraction form
    207,583.04/311,374.80 = 67,352.60/x
  3. Step 3: Cross multiply
    207,583.04x = 311,374.80 × 67,352.60
  4. Step 4: Simplify right side
    207,583.04x = 20,971,902,354.48
  5. Step 5: Solve for x
    x = 20,971,902,354.48/207,583.04
  6. Step 6: Final answer
    x = 101,028.98

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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.