Home / 118,679.20-178,032.74-41,718.67

Finding the Fourth Proportional to 118,679.20, 178,032.74 and 41,718.67

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Solution

The fourth proportional to 118,679.20, 178,032.74 and 41,718.67 is: 62,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,679.20 : 178,032.74 = 41,718.67 : x
  2. Step 2: Convert to fraction form
    118,679.20/178,032.74 = 41,718.67/x
  3. Step 3: Cross multiply
    118,679.20x = 178,032.74 × 41,718.67
  4. Step 4: Simplify right side
    118,679.20x = 7,427,288,475.58
  5. Step 5: Solve for x
    x = 7,427,288,475.58/118,679.20
  6. Step 6: Final answer
    x = 62,582.90

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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.