Home / 190,186.54-285,333.14-76,414.24

Finding the Fourth Proportional to 190,186.54, 285,333.14 and 76,414.24

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Solution

The fourth proportional to 190,186.54, 285,333.14 and 76,414.24 is: 114,642.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,186.54 : 285,333.14 = 76,414.24 : x
  2. Step 2: Convert to fraction form
    190,186.54/285,333.14 = 76,414.24/x
  3. Step 3: Cross multiply
    190,186.54x = 285,333.14 × 76,414.24
  4. Step 4: Simplify right side
    190,186.54x = 21,803,513,944.51
  5. Step 5: Solve for x
    x = 21,803,513,944.51/190,186.54
  6. Step 6: Final answer
    x = 114,642.78

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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.