Home / 191,949.64-264,889.72-105,913.97

Finding the Fourth Proportional to 191,949.64, 264,889.72 and 105,913.97

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Solution

The fourth proportional to 191,949.64, 264,889.72 and 105,913.97 is: 146,160.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,949.64 : 264,889.72 = 105,913.97 : x
  2. Step 2: Convert to fraction form
    191,949.64/264,889.72 = 105,913.97/x
  3. Step 3: Cross multiply
    191,949.64x = 264,889.72 × 105,913.97
  4. Step 4: Simplify right side
    191,949.64x = 28,055,522,254.83
  5. Step 5: Solve for x
    x = 28,055,522,254.83/191,949.64
  6. Step 6: Final answer
    x = 146,160.85

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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.