Home / 190,436.49-262,793.30-109,889.91

Finding the Fourth Proportional to 190,436.49, 262,793.30 and 109,889.91

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Solution

The fourth proportional to 190,436.49, 262,793.30 and 109,889.91 is: 151,642.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,436.49 : 262,793.30 = 109,889.91 : x
  2. Step 2: Convert to fraction form
    190,436.49/262,793.30 = 109,889.91/x
  3. Step 3: Cross multiply
    190,436.49x = 262,793.30 × 109,889.91
  4. Step 4: Simplify right side
    190,436.49x = 28,878,331,536.15
  5. Step 5: Solve for x
    x = 28,878,331,536.15/190,436.49
  6. Step 6: Final answer
    x = 151,642.85

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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.