Home / 139,618.08-209,423.48-44,854.76

Finding the Fourth Proportional to 139,618.08, 209,423.48 and 44,854.76

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Solution

The fourth proportional to 139,618.08, 209,423.48 and 44,854.76 is: 67,280.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,618.08 : 209,423.48 = 44,854.76 : x
  2. Step 2: Convert to fraction form
    139,618.08/209,423.48 = 44,854.76/x
  3. Step 3: Cross multiply
    139,618.08x = 209,423.48 × 44,854.76
  4. Step 4: Simplify right side
    139,618.08x = 9,393,640,233.05
  5. Step 5: Solve for x
    x = 9,393,640,233.05/139,618.08
  6. Step 6: Final answer
    x = 67,280.97

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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.