Home / 139,961.48-192,778.26-116,011.40

Finding the Fourth Proportional to 139,961.48, 192,778.26 and 116,011.40

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Solution

The fourth proportional to 139,961.48, 192,778.26 and 116,011.40 is: 159,790.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,961.48 : 192,778.26 = 116,011.40 : x
  2. Step 2: Convert to fraction form
    139,961.48/192,778.26 = 116,011.40/x
  3. Step 3: Cross multiply
    139,961.48x = 192,778.26 × 116,011.40
  4. Step 4: Simplify right side
    139,961.48x = 22,364,475,832.16
  5. Step 5: Solve for x
    x = 22,364,475,832.16/139,961.48
  6. Step 6: Final answer
    x = 159,790.22

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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.