Home / 190,536.77-262,921.80-109,990.24

Finding the Fourth Proportional to 190,536.77, 262,921.80 and 109,990.24

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Solution

The fourth proportional to 190,536.77, 262,921.80 and 109,990.24 is: 151,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,536.77 : 262,921.80 = 109,990.24 : x
  2. Step 2: Convert to fraction form
    190,536.77/262,921.80 = 109,990.24/x
  3. Step 3: Cross multiply
    190,536.77x = 262,921.80 × 109,990.24
  4. Step 4: Simplify right side
    190,536.77x = 28,918,833,134.80
  5. Step 5: Solve for x
    x = 28,918,833,134.80/190,536.77
  6. Step 6: Final answer
    x = 151,775.60

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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.