Home / 277,015.81-382,426.36-196,635.36

Finding the Fourth Proportional to 277,015.81, 382,426.36 and 196,635.36

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Solution

The fourth proportional to 277,015.81, 382,426.36 and 196,635.36 is: 271,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,015.81 : 382,426.36 = 196,635.36 : x
  2. Step 2: Convert to fraction form
    277,015.81/382,426.36 = 196,635.36/x
  3. Step 3: Cross multiply
    277,015.81x = 382,426.36 × 196,635.36
  4. Step 4: Simplify right side
    277,015.81x = 75,198,544,972.09
  5. Step 5: Solve for x
    x = 75,198,544,972.09/277,015.81
  6. Step 6: Final answer
    x = 271,459.40

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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.