Home / 139,325.20-192,327.64-94,064.50

Finding the Fourth Proportional to 139,325.20, 192,327.64 and 94,064.50

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Solution

The fourth proportional to 139,325.20, 192,327.64 and 94,064.50 is: 129,848.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,325.20 : 192,327.64 = 94,064.50 : x
  2. Step 2: Convert to fraction form
    139,325.20/192,327.64 = 94,064.50/x
  3. Step 3: Cross multiply
    139,325.20x = 192,327.64 × 94,064.50
  4. Step 4: Simplify right side
    139,325.20x = 18,091,203,292.78
  5. Step 5: Solve for x
    x = 18,091,203,292.78/139,325.20
  6. Step 6: Final answer
    x = 129,848.75

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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.