Home / 384,645.20-577,074.45-160,111.40

Finding the Fourth Proportional to 384,645.20, 577,074.45 and 160,111.40

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Solution

The fourth proportional to 384,645.20, 577,074.45 and 160,111.40 is: 240,211.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,645.20 : 577,074.45 = 160,111.40 : x
  2. Step 2: Convert to fraction form
    384,645.20/577,074.45 = 160,111.40/x
  3. Step 3: Cross multiply
    384,645.20x = 577,074.45 × 160,111.40
  4. Step 4: Simplify right side
    384,645.20x = 92,396,198,093.73
  5. Step 5: Solve for x
    x = 92,396,198,093.73/384,645.20
  6. Step 6: Final answer
    x = 240,211.49

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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.