Home / 118,867.37-178,258.59-55,676.70

Finding the Fourth Proportional to 118,867.37, 178,258.59 and 55,676.70

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Solution

The fourth proportional to 118,867.37, 178,258.59 and 55,676.70 is: 83,495.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,867.37 : 178,258.59 = 55,676.70 : x
  2. Step 2: Convert to fraction form
    118,867.37/178,258.59 = 55,676.70/x
  3. Step 3: Cross multiply
    118,867.37x = 178,258.59 × 55,676.70
  4. Step 4: Simplify right side
    118,867.37x = 9,924,850,037.85
  5. Step 5: Solve for x
    x = 9,924,850,037.85/118,867.37
  6. Step 6: Final answer
    x = 83,495.16

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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.