Home / 156,583.36-215,786.74-153,704.36

Finding the Fourth Proportional to 156,583.36, 215,786.74 and 153,704.36

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Solution

The fourth proportional to 156,583.36, 215,786.74 and 153,704.36 is: 211,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,583.36 : 215,786.74 = 153,704.36 : x
  2. Step 2: Convert to fraction form
    156,583.36/215,786.74 = 153,704.36/x
  3. Step 3: Cross multiply
    156,583.36x = 215,786.74 × 153,704.36
  4. Step 4: Simplify right side
    156,583.36x = 33,167,362,768.19
  5. Step 5: Solve for x
    x = 33,167,362,768.19/156,583.36
  6. Step 6: Final answer
    x = 211,819.20

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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.