Home / 191,052.88-263,647.43-109,378.40

Finding the Fourth Proportional to 191,052.88, 263,647.43 and 109,378.40

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Solution

The fourth proportional to 191,052.88, 263,647.43 and 109,378.40 is: 150,939.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,052.88 : 263,647.43 = 109,378.40 : x
  2. Step 2: Convert to fraction form
    191,052.88/263,647.43 = 109,378.40/x
  3. Step 3: Cross multiply
    191,052.88x = 263,647.43 × 109,378.40
  4. Step 4: Simplify right side
    191,052.88x = 28,837,334,393.20
  5. Step 5: Solve for x
    x = 28,837,334,393.20/191,052.88
  6. Step 6: Final answer
    x = 150,939.02

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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.