Home / 186,324.21-279,490.86-67,995.45

Finding the Fourth Proportional to 186,324.21, 279,490.86 and 67,995.45

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Solution

The fourth proportional to 186,324.21, 279,490.86 and 67,995.45 is: 101,994.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,324.21 : 279,490.86 = 67,995.45 : x
  2. Step 2: Convert to fraction form
    186,324.21/279,490.86 = 67,995.45/x
  3. Step 3: Cross multiply
    186,324.21x = 279,490.86 × 67,995.45
  4. Step 4: Simplify right side
    186,324.21x = 19,004,106,796.59
  5. Step 5: Solve for x
    x = 19,004,106,796.59/186,324.21
  6. Step 6: Final answer
    x = 101,994.83

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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.