Home / 189,570.42-284,399.46-100,909.44

Finding the Fourth Proportional to 189,570.42, 284,399.46 and 100,909.44

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Solution

The fourth proportional to 189,570.42, 284,399.46 and 100,909.44 is: 151,387.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,570.42 : 284,399.46 = 100,909.44 : x
  2. Step 2: Convert to fraction form
    189,570.42/284,399.46 = 100,909.44/x
  3. Step 3: Cross multiply
    189,570.42x = 284,399.46 × 100,909.44
  4. Step 4: Simplify right side
    189,570.42x = 28,698,590,244.90
  5. Step 5: Solve for x
    x = 28,698,590,244.90/189,570.42
  6. Step 6: Final answer
    x = 151,387.49

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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.