Home / 321,122.10-481,683.15-96,517.20

Finding the Fourth Proportional to 321,122.10, 481,683.15 and 96,517.20

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Solution

The fourth proportional to 321,122.10, 481,683.15 and 96,517.20 is: 144,775.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,122.10 : 481,683.15 = 96,517.20 : x
  2. Step 2: Convert to fraction form
    321,122.10/481,683.15 = 96,517.20/x
  3. Step 3: Cross multiply
    321,122.10x = 481,683.15 × 96,517.20
  4. Step 4: Simplify right side
    321,122.10x = 46,490,708,925.18
  5. Step 5: Solve for x
    x = 46,490,708,925.18/321,122.10
  6. Step 6: Final answer
    x = 144,775.80

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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.