Home / 100,316.97-150,490.04-53,544.33

Finding the Fourth Proportional to 100,316.97, 150,490.04 and 53,544.33

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Solution

The fourth proportional to 100,316.97, 150,490.04 and 53,544.33 is: 80,324.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,316.97 : 150,490.04 = 53,544.33 : x
  2. Step 2: Convert to fraction form
    100,316.97/150,490.04 = 53,544.33/x
  3. Step 3: Cross multiply
    100,316.97x = 150,490.04 × 53,544.33
  4. Step 4: Simplify right side
    100,316.97x = 8,057,888,095.75
  5. Step 5: Solve for x
    x = 8,057,888,095.75/100,316.97
  6. Step 6: Final answer
    x = 80,324.28

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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.