Home / 192,411.05-265,506.66-111,821.72

Finding the Fourth Proportional to 192,411.05, 265,506.66 and 111,821.72

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Solution

The fourth proportional to 192,411.05, 265,506.66 and 111,821.72 is: 154,302.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,411.05 : 265,506.66 = 111,821.72 : x
  2. Step 2: Convert to fraction form
    192,411.05/265,506.66 = 111,821.72/x
  3. Step 3: Cross multiply
    192,411.05x = 265,506.66 × 111,821.72
  4. Step 4: Simplify right side
    192,411.05x = 29,689,410,065.12
  5. Step 5: Solve for x
    x = 29,689,410,065.12/192,411.05
  6. Step 6: Final answer
    x = 154,302.01

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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.