Home / 191,970.98-264,918.15-105,930.75

Finding the Fourth Proportional to 191,970.98, 264,918.15 and 105,930.75

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Solution

The fourth proportional to 191,970.98, 264,918.15 and 105,930.75 is: 146,183.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,970.98 : 264,918.15 = 105,930.75 : x
  2. Step 2: Convert to fraction form
    191,970.98/264,918.15 = 105,930.75/x
  3. Step 3: Cross multiply
    191,970.98x = 264,918.15 × 105,930.75
  4. Step 4: Simplify right side
    191,970.98x = 28,062,978,318.11
  5. Step 5: Solve for x
    x = 28,062,978,318.11/191,970.98
  6. Step 6: Final answer
    x = 146,183.44

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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.