Home / 347,918.70-522,072.45-148,205.10

Finding the Fourth Proportional to 347,918.70, 522,072.45 and 148,205.10

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Solution

The fourth proportional to 347,918.70, 522,072.45 and 148,205.10 is: 222,390.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,918.70 : 522,072.45 = 148,205.10 : x
  2. Step 2: Convert to fraction form
    347,918.70/522,072.45 = 148,205.10/x
  3. Step 3: Cross multiply
    347,918.70x = 522,072.45 × 148,205.10
  4. Step 4: Simplify right side
    347,918.70x = 77,373,799,659.50
  5. Step 5: Solve for x
    x = 77,373,799,659.50/347,918.70
  6. Step 6: Final answer
    x = 222,390.46

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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.