Home / 139,960.63-193,126.19-82,602.35

Finding the Fourth Proportional to 139,960.63, 193,126.19 and 82,602.35

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Solution

The fourth proportional to 139,960.63, 193,126.19 and 82,602.35 is: 113,979.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,960.63 : 193,126.19 = 82,602.35 : x
  2. Step 2: Convert to fraction form
    139,960.63/193,126.19 = 82,602.35/x
  3. Step 3: Cross multiply
    139,960.63x = 193,126.19 × 82,602.35
  4. Step 4: Simplify right side
    139,960.63x = 15,952,677,140.55
  5. Step 5: Solve for x
    x = 15,952,677,140.55/139,960.63
  6. Step 6: Final answer
    x = 113,979.75

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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.