Home / 347,851.20-521,834.40-148,267.20

Finding the Fourth Proportional to 347,851.20, 521,834.40 and 148,267.20

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Solution

The fourth proportional to 347,851.20, 521,834.40 and 148,267.20 is: 222,425.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,851.20 : 521,834.40 = 148,267.20 : x
  2. Step 2: Convert to fraction form
    347,851.20/521,834.40 = 148,267.20/x
  3. Step 3: Cross multiply
    347,851.20x = 521,834.40 × 148,267.20
  4. Step 4: Simplify right side
    347,851.20x = 77,370,925,351.68
  5. Step 5: Solve for x
    x = 77,370,925,351.68/347,851.20
  6. Step 6: Final answer
    x = 222,425.35

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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.