Home / 117,937.78-162,913.38-94,230.70

Finding the Fourth Proportional to 117,937.78, 162,913.38 and 94,230.70

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Solution

The fourth proportional to 117,937.78, 162,913.38 and 94,230.70 is: 130,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,937.78 : 162,913.38 = 94,230.70 : x
  2. Step 2: Convert to fraction form
    117,937.78/162,913.38 = 94,230.70/x
  3. Step 3: Cross multiply
    117,937.78x = 162,913.38 × 94,230.70
  4. Step 4: Simplify right side
    117,937.78x = 15,351,441,836.77
  5. Step 5: Solve for x
    x = 15,351,441,836.77/117,937.78
  6. Step 6: Final answer
    x = 130,165.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.