Home / 191,895.05-264,816.20-105,857.05

Finding the Fourth Proportional to 191,895.05, 264,816.20 and 105,857.05

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Solution

The fourth proportional to 191,895.05, 264,816.20 and 105,857.05 is: 146,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,895.05 : 264,816.20 = 105,857.05 : x
  2. Step 2: Convert to fraction form
    191,895.05/264,816.20 = 105,857.05/x
  3. Step 3: Cross multiply
    191,895.05x = 264,816.20 × 105,857.05
  4. Step 4: Simplify right side
    191,895.05x = 28,032,661,724.21
  5. Step 5: Solve for x
    x = 28,032,661,724.21/191,895.05
  6. Step 6: Final answer
    x = 146,083.30

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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.