Home / 208,766.08-313,151.04-66,632.96

Finding the Fourth Proportional to 208,766.08, 313,151.04 and 66,632.96

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Solution

The fourth proportional to 208,766.08, 313,151.04 and 66,632.96 is: 99,950.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,766.08 : 313,151.04 = 66,632.96 : x
  2. Step 2: Convert to fraction form
    208,766.08/313,151.04 = 66,632.96/x
  3. Step 3: Cross multiply
    208,766.08x = 313,151.04 × 66,632.96
  4. Step 4: Simplify right side
    208,766.08x = 20,866,180,722.28
  5. Step 5: Solve for x
    x = 20,866,180,722.28/208,766.08
  6. Step 6: Final answer
    x = 99,950.05

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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.