Home / 191,517.91-264,296.55-106,636.79

Finding the Fourth Proportional to 191,517.91, 264,296.55 and 106,636.79

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Solution

The fourth proportional to 191,517.91, 264,296.55 and 106,636.79 is: 147,159.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,517.91 : 264,296.55 = 106,636.79 : x
  2. Step 2: Convert to fraction form
    191,517.91/264,296.55 = 106,636.79/x
  3. Step 3: Cross multiply
    191,517.91x = 264,296.55 × 106,636.79
  4. Step 4: Simplify right side
    191,517.91x = 28,183,735,700.07
  5. Step 5: Solve for x
    x = 28,183,735,700.07/191,517.91
  6. Step 6: Final answer
    x = 147,159.79

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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.