Home / 190,218.09-262,497.69-105,333.33

Finding the Fourth Proportional to 190,218.09, 262,497.69 and 105,333.33

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Solution

The fourth proportional to 190,218.09, 262,497.69 and 105,333.33 is: 145,358.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,218.09 : 262,497.69 = 105,333.33 : x
  2. Step 2: Convert to fraction form
    190,218.09/262,497.69 = 105,333.33/x
  3. Step 3: Cross multiply
    190,218.09x = 262,497.69 × 105,333.33
  4. Step 4: Simplify right side
    190,218.09x = 27,649,755,805.01
  5. Step 5: Solve for x
    x = 27,649,755,805.01/190,218.09
  6. Step 6: Final answer
    x = 145,358.18

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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.