Home / 397,610.20-596,415.30-148,259.80

Finding the Fourth Proportional to 397,610.20, 596,415.30 and 148,259.80

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Solution

The fourth proportional to 397,610.20, 596,415.30 and 148,259.80 is: 222,389.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,610.20 : 596,415.30 = 148,259.80 : x
  2. Step 2: Convert to fraction form
    397,610.20/596,415.30 = 148,259.80/x
  3. Step 3: Cross multiply
    397,610.20x = 596,415.30 × 148,259.80
  4. Step 4: Simplify right side
    397,610.20x = 88,424,413,094.94
  5. Step 5: Solve for x
    x = 88,424,413,094.94/397,610.20
  6. Step 6: Final answer
    x = 222,389.70

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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.