Home / 191,750.25-264,616.66-106,872.78

Finding the Fourth Proportional to 191,750.25, 264,616.66 and 106,872.78

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Solution

The fourth proportional to 191,750.25, 264,616.66 and 106,872.78 is: 147,485.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,750.25 : 264,616.66 = 106,872.78 : x
  2. Step 2: Convert to fraction form
    191,750.25/264,616.66 = 106,872.78/x
  3. Step 3: Cross multiply
    191,750.25x = 264,616.66 × 106,872.78
  4. Step 4: Simplify right side
    191,750.25x = 28,280,317,554.15
  5. Step 5: Solve for x
    x = 28,280,317,554.15/191,750.25
  6. Step 6: Final answer
    x = 147,485.17

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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.