Home / 347,732.20-521,792.70-148,018.60

Finding the Fourth Proportional to 347,732.20, 521,792.70 and 148,018.60

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Solution

The fourth proportional to 347,732.20, 521,792.70 and 148,018.60 is: 222,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,732.20 : 521,792.70 = 148,018.60 : x
  2. Step 2: Convert to fraction form
    347,732.20/521,792.70 = 148,018.60/x
  3. Step 3: Cross multiply
    347,732.20x = 521,792.70 × 148,018.60
  4. Step 4: Simplify right side
    347,732.20x = 77,235,024,944.22
  5. Step 5: Solve for x
    x = 77,235,024,944.22/347,732.20
  6. Step 6: Final answer
    x = 222,110.65

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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.