Home / 190,089.57-262,382.03-109,570.91

Finding the Fourth Proportional to 190,089.57, 262,382.03 and 109,570.91

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Solution

The fourth proportional to 190,089.57, 262,382.03 and 109,570.91 is: 151,241.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,089.57 : 262,382.03 = 109,570.91 : x
  2. Step 2: Convert to fraction form
    190,089.57/262,382.03 = 109,570.91/x
  3. Step 3: Cross multiply
    190,089.57x = 262,382.03 × 109,570.91
  4. Step 4: Simplify right side
    190,089.57x = 28,749,436,590.94
  5. Step 5: Solve for x
    x = 28,749,436,590.94/190,089.57
  6. Step 6: Final answer
    x = 151,241.53

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1.5x scale

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.