Home / 276,881.21-382,096.09-149,556.81

Finding the Fourth Proportional to 276,881.21, 382,096.09 and 149,556.81

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Solution

The fourth proportional to 276,881.21, 382,096.09 and 149,556.81 is: 206,388.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,881.21 : 382,096.09 = 149,556.81 : x
  2. Step 2: Convert to fraction form
    276,881.21/382,096.09 = 149,556.81/x
  3. Step 3: Cross multiply
    276,881.21x = 382,096.09 × 149,556.81
  4. Step 4: Simplify right side
    276,881.21x = 57,145,069,888.49
  5. Step 5: Solve for x
    x = 57,145,069,888.49/276,881.21
  6. Step 6: Final answer
    x = 206,388.40

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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.