Home / 191,155.88-263,795.42-106,272.94

Finding the Fourth Proportional to 191,155.88, 263,795.42 and 106,272.94

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Solution

The fourth proportional to 191,155.88, 263,795.42 and 106,272.94 is: 146,656.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,155.88 : 263,795.42 = 106,272.94 : x
  2. Step 2: Convert to fraction form
    191,155.88/263,795.42 = 106,272.94/x
  3. Step 3: Cross multiply
    191,155.88x = 263,795.42 × 106,272.94
  4. Step 4: Simplify right side
    191,155.88x = 28,034,314,448.13
  5. Step 5: Solve for x
    x = 28,034,314,448.13/191,155.88
  6. Step 6: Final answer
    x = 146,656.83

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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.