Home / 190,626.20-285,841.66-100,717.18

Finding the Fourth Proportional to 190,626.20, 285,841.66 and 100,717.18

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Solution

The fourth proportional to 190,626.20, 285,841.66 and 100,717.18 is: 151,024.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,626.20 : 285,841.66 = 100,717.18 : x
  2. Step 2: Convert to fraction form
    190,626.20/285,841.66 = 100,717.18/x
  3. Step 3: Cross multiply
    190,626.20x = 285,841.66 × 100,717.18
  4. Step 4: Simplify right side
    190,626.20x = 28,789,165,921.72
  5. Step 5: Solve for x
    x = 28,789,165,921.72/190,626.20
  6. Step 6: Final answer
    x = 151,024.18

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1.5x scale

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.