Home / 190,451.07-285,770.21-76,594.33

Finding the Fourth Proportional to 190,451.07, 285,770.21 and 76,594.33

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Solution

The fourth proportional to 190,451.07, 285,770.21 and 76,594.33 is: 114,929.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,451.07 : 285,770.21 = 76,594.33 : x
  2. Step 2: Convert to fraction form
    190,451.07/285,770.21 = 76,594.33/x
  3. Step 3: Cross multiply
    190,451.07x = 285,770.21 × 76,594.33
  4. Step 4: Simplify right side
    190,451.07x = 21,888,377,458.66
  5. Step 5: Solve for x
    x = 21,888,377,458.66/190,451.07
  6. Step 6: Final answer
    x = 114,929.14

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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.