Home / 296,103.66-408,621.85-160,137.76

Finding the Fourth Proportional to 296,103.66, 408,621.85 and 160,137.76

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Solution

The fourth proportional to 296,103.66, 408,621.85 and 160,137.76 is: 220,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,103.66 : 408,621.85 = 160,137.76 : x
  2. Step 2: Convert to fraction form
    296,103.66/408,621.85 = 160,137.76/x
  3. Step 3: Cross multiply
    296,103.66x = 408,621.85 × 160,137.76
  4. Step 4: Simplify right side
    296,103.66x = 65,435,787,746.06
  5. Step 5: Solve for x
    x = 65,435,787,746.06/296,103.66
  6. Step 6: Final answer
    x = 220,989.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.