Home / 139,869.38-192,866.81-94,468.55

Finding the Fourth Proportional to 139,869.38, 192,866.81 and 94,468.55

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Solution

The fourth proportional to 139,869.38, 192,866.81 and 94,468.55 is: 130,263.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,869.38 : 192,866.81 = 94,468.55 : x
  2. Step 2: Convert to fraction form
    139,869.38/192,866.81 = 94,468.55/x
  3. Step 3: Cross multiply
    139,869.38x = 192,866.81 × 94,468.55
  4. Step 4: Simplify right side
    139,869.38x = 18,219,846,447.15
  5. Step 5: Solve for x
    x = 18,219,846,447.15/139,869.38
  6. Step 6: Final answer
    x = 130,263.29

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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.