Home / 104,636.28-155,968.71-96,238.20

Finding the Fourth Proportional to 104,636.28, 155,968.71 and 96,238.20

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Solution

The fourth proportional to 104,636.28, 155,968.71 and 96,238.20 is: 143,450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,636.28 : 155,968.71 = 96,238.20 : x
  2. Step 2: Convert to fraction form
    104,636.28/155,968.71 = 96,238.20/x
  3. Step 3: Cross multiply
    104,636.28x = 155,968.71 × 96,238.20
  4. Step 4: Simplify right side
    104,636.28x = 15,010,147,906.72
  5. Step 5: Solve for x
    x = 15,010,147,906.72/104,636.28
  6. Step 6: Final answer
    x = 143,450.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.