Home / 190,915.62-263,469.04-106,038.16

Finding the Fourth Proportional to 190,915.62, 263,469.04 and 106,038.16

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Solution

The fourth proportional to 190,915.62, 263,469.04 and 106,038.16 is: 146,335.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,915.62 : 263,469.04 = 106,038.16 : x
  2. Step 2: Convert to fraction form
    190,915.62/263,469.04 = 106,038.16/x
  3. Step 3: Cross multiply
    190,915.62x = 263,469.04 × 106,038.16
  4. Step 4: Simplify right side
    190,915.62x = 27,937,772,218.57
  5. Step 5: Solve for x
    x = 27,937,772,218.57/190,915.62
  6. Step 6: Final answer
    x = 146,335.71

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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.