Home / 134,741.72-185,896.62-86,370.32

Finding the Fourth Proportional to 134,741.72, 185,896.62 and 86,370.32

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Solution

The fourth proportional to 134,741.72, 185,896.62 and 86,370.32 is: 119,160.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,741.72 : 185,896.62 = 86,370.32 : x
  2. Step 2: Convert to fraction form
    134,741.72/185,896.62 = 86,370.32/x
  3. Step 3: Cross multiply
    134,741.72x = 185,896.62 × 86,370.32
  4. Step 4: Simplify right side
    134,741.72x = 16,055,950,556.32
  5. Step 5: Solve for x
    x = 16,055,950,556.32/134,741.72
  6. Step 6: Final answer
    x = 119,160.94

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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.