Home / 190,627.20-285,843.16-100,718.18

Finding the Fourth Proportional to 190,627.20, 285,843.16 and 100,718.18

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Solution

The fourth proportional to 190,627.20, 285,843.16 and 100,718.18 is: 151,025.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,627.20 : 285,843.16 = 100,718.18 : x
  2. Step 2: Convert to fraction form
    190,627.20/285,843.16 = 100,718.18/x
  3. Step 3: Cross multiply
    190,627.20x = 285,843.16 × 100,718.18
  4. Step 4: Simplify right side
    190,627.20x = 28,789,602,840.65
  5. Step 5: Solve for x
    x = 28,789,602,840.65/190,627.20
  6. Step 6: Final answer
    x = 151,025.68

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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.