Home / 207,426.48-311,241.33-74,317.02

Finding the Fourth Proportional to 207,426.48, 311,241.33 and 74,317.02

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Solution

The fourth proportional to 207,426.48, 311,241.33 and 74,317.02 is: 111,511.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,426.48 : 311,241.33 = 74,317.02 : x
  2. Step 2: Convert to fraction form
    207,426.48/311,241.33 = 74,317.02/x
  3. Step 3: Cross multiply
    207,426.48x = 311,241.33 × 74,317.02
  4. Step 4: Simplify right side
    207,426.48x = 23,130,528,146.44
  5. Step 5: Solve for x
    x = 23,130,528,146.44/207,426.48
  6. Step 6: Final answer
    x = 111,511.93

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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.