Home / 191,093.13-263,665.67-115,640.01

Finding the Fourth Proportional to 191,093.13, 263,665.67 and 115,640.01

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Solution

The fourth proportional to 191,093.13, 263,665.67 and 115,640.01 is: 159,557.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,093.13 : 263,665.67 = 115,640.01 : x
  2. Step 2: Convert to fraction form
    191,093.13/263,665.67 = 115,640.01/x
  3. Step 3: Cross multiply
    191,093.13x = 263,665.67 × 115,640.01
  4. Step 4: Simplify right side
    191,093.13x = 30,490,300,137.26
  5. Step 5: Solve for x
    x = 30,490,300,137.26/191,093.13
  6. Step 6: Final answer
    x = 159,557.28

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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.