Home / 192,768.85-265,989.26-121,098.11

Finding the Fourth Proportional to 192,768.85, 265,989.26 and 121,098.11

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Solution

The fourth proportional to 192,768.85, 265,989.26 and 121,098.11 is: 167,095.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,768.85 : 265,989.26 = 121,098.11 : x
  2. Step 2: Convert to fraction form
    192,768.85/265,989.26 = 121,098.11/x
  3. Step 3: Cross multiply
    192,768.85x = 265,989.26 × 121,098.11
  4. Step 4: Simplify right side
    192,768.85x = 32,210,795,639.10
  5. Step 5: Solve for x
    x = 32,210,795,639.10/192,768.85
  6. Step 6: Final answer
    x = 167,095.44

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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.