Home / 100,186.84-150,176.58-47,556.28

Finding the Fourth Proportional to 100,186.84, 150,176.58 and 47,556.28

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Solution

The fourth proportional to 100,186.84, 150,176.58 and 47,556.28 is: 71,285.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,186.84 : 150,176.58 = 47,556.28 : x
  2. Step 2: Convert to fraction form
    100,186.84/150,176.58 = 47,556.28/x
  3. Step 3: Cross multiply
    100,186.84x = 150,176.58 × 47,556.28
  4. Step 4: Simplify right side
    100,186.84x = 7,141,839,487.92
  5. Step 5: Solve for x
    x = 7,141,839,487.92/100,186.84
  6. Step 6: Final answer
    x = 71,285.21

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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.