Home / 139,232.34-192,120.93-82,666.26

Finding the Fourth Proportional to 139,232.34, 192,120.93 and 82,666.26

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Solution

The fourth proportional to 139,232.34, 192,120.93 and 82,666.26 is: 114,067.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,232.34 : 192,120.93 = 82,666.26 : x
  2. Step 2: Convert to fraction form
    139,232.34/192,120.93 = 82,666.26/x
  3. Step 3: Cross multiply
    139,232.34x = 192,120.93 × 82,666.26
  4. Step 4: Simplify right side
    139,232.34x = 15,881,918,750.82
  5. Step 5: Solve for x
    x = 15,881,918,750.82/139,232.34
  6. Step 6: Final answer
    x = 114,067.74

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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.