Home / 162,960.20-244,148.70-139,632.20

Finding the Fourth Proportional to 162,960.20, 244,148.70 and 139,632.20

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Solution

The fourth proportional to 162,960.20, 244,148.70 and 139,632.20 is: 209,198.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,960.20 : 244,148.70 = 139,632.20 : x
  2. Step 2: Convert to fraction form
    162,960.20/244,148.70 = 139,632.20/x
  3. Step 3: Cross multiply
    162,960.20x = 244,148.70 × 139,632.20
  4. Step 4: Simplify right side
    162,960.20x = 34,091,020,108.14
  5. Step 5: Solve for x
    x = 34,091,020,108.14/162,960.20
  6. Step 6: Final answer
    x = 209,198.44

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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.