Home / 347,788.80-521,683.20-170,204.40

Finding the Fourth Proportional to 347,788.80, 521,683.20 and 170,204.40

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Solution

The fourth proportional to 347,788.80, 521,683.20 and 170,204.40 is: 255,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,788.80 : 521,683.20 = 170,204.40 : x
  2. Step 2: Convert to fraction form
    347,788.80/521,683.20 = 170,204.40/x
  3. Step 3: Cross multiply
    347,788.80x = 521,683.20 × 170,204.40
  4. Step 4: Simplify right side
    347,788.80x = 88,792,776,046.08
  5. Step 5: Solve for x
    x = 88,792,776,046.08/347,788.80
  6. Step 6: Final answer
    x = 255,306.60

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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.