Home / 101,238.44-151,857.93-31,117.28

Finding the Fourth Proportional to 101,238.44, 151,857.93 and 31,117.28

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Solution

The fourth proportional to 101,238.44, 151,857.93 and 31,117.28 is: 46,676.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,238.44 : 151,857.93 = 31,117.28 : x
  2. Step 2: Convert to fraction form
    101,238.44/151,857.93 = 31,117.28/x
  3. Step 3: Cross multiply
    101,238.44x = 151,857.93 × 31,117.28
  4. Step 4: Simplify right side
    101,238.44x = 4,725,405,728.03
  5. Step 5: Solve for x
    x = 4,725,405,728.03/101,238.44
  6. Step 6: Final answer
    x = 46,676.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.