Home / 190,534.48-262,959.26-109,983.64

Finding the Fourth Proportional to 190,534.48, 262,959.26 and 109,983.64

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Solution

The fourth proportional to 190,534.48, 262,959.26 and 109,983.64 is: 151,789.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,534.48 : 262,959.26 = 109,983.64 : x
  2. Step 2: Convert to fraction form
    190,534.48/262,959.26 = 109,983.64/x
  3. Step 3: Cross multiply
    190,534.48x = 262,959.26 × 109,983.64
  4. Step 4: Simplify right side
    190,534.48x = 28,921,216,586.51
  5. Step 5: Solve for x
    x = 28,921,216,586.51/190,534.48
  6. Step 6: Final answer
    x = 151,789.94

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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.