Home / 118,877.10-178,416.45-48,806.70

Finding the Fourth Proportional to 118,877.10, 178,416.45 and 48,806.70

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Solution

The fourth proportional to 118,877.10, 178,416.45 and 48,806.70 is: 73,251.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,877.10 : 178,416.45 = 48,806.70 : x
  2. Step 2: Convert to fraction form
    118,877.10/178,416.45 = 48,806.70/x
  3. Step 3: Cross multiply
    118,877.10x = 178,416.45 × 48,806.70
  4. Step 4: Simplify right side
    118,877.10x = 8,707,918,150.22
  5. Step 5: Solve for x
    x = 8,707,918,150.22/118,877.10
  6. Step 6: Final answer
    x = 73,251.43

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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.