Home / 139,353.40-192,324.27-82,764.91

Finding the Fourth Proportional to 139,353.40, 192,324.27 and 82,764.91

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Solution

The fourth proportional to 139,353.40, 192,324.27 and 82,764.91 is: 114,225.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,353.40 : 192,324.27 = 82,764.91 : x
  2. Step 2: Convert to fraction form
    139,353.40/192,324.27 = 82,764.91/x
  3. Step 3: Cross multiply
    139,353.40x = 192,324.27 × 82,764.91
  4. Step 4: Simplify right side
    139,353.40x = 15,917,700,897.37
  5. Step 5: Solve for x
    x = 15,917,700,897.37/139,353.40
  6. Step 6: Final answer
    x = 114,225.42

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1.5x scale

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.