Home / 156,466.27-215,919.62-84,844.45

Finding the Fourth Proportional to 156,466.27, 215,919.62 and 84,844.45

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Solution

The fourth proportional to 156,466.27, 215,919.62 and 84,844.45 is: 117,083.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,466.27 : 215,919.62 = 84,844.45 : x
  2. Step 2: Convert to fraction form
    156,466.27/215,919.62 = 84,844.45/x
  3. Step 3: Cross multiply
    156,466.27x = 215,919.62 × 84,844.45
  4. Step 4: Simplify right side
    156,466.27x = 18,319,580,323.51
  5. Step 5: Solve for x
    x = 18,319,580,323.51/156,466.27
  6. Step 6: Final answer
    x = 117,083.26

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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.