Home / 191,041.36-263,661.32-115,590.48

Finding the Fourth Proportional to 191,041.36, 263,661.32 and 115,590.48

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Solution

The fourth proportional to 191,041.36, 263,661.32 and 115,590.48 is: 159,529.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,041.36 : 263,661.32 = 115,590.48 : x
  2. Step 2: Convert to fraction form
    191,041.36/263,661.32 = 115,590.48/x
  3. Step 3: Cross multiply
    191,041.36x = 263,661.32 × 115,590.48
  4. Step 4: Simplify right side
    191,041.36x = 30,476,738,536.23
  5. Step 5: Solve for x
    x = 30,476,738,536.23/191,041.36
  6. Step 6: Final answer
    x = 159,529.53

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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.