Home / 546,481.02-819,720.78-147,122.22

Finding the Fourth Proportional to 546,481.02, 819,720.78 and 147,122.22

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Solution

The fourth proportional to 546,481.02, 819,720.78 and 147,122.22 is: 220,683.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,481.02 : 819,720.78 = 147,122.22 : x
  2. Step 2: Convert to fraction form
    546,481.02/819,720.78 = 147,122.22/x
  3. Step 3: Cross multiply
    546,481.02x = 819,720.78 × 147,122.22
  4. Step 4: Simplify right side
    546,481.02x = 120,599,140,933.73
  5. Step 5: Solve for x
    x = 120,599,140,933.73/546,481.02
  6. Step 6: Final answer
    x = 220,683.13

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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.