Home / 268,564.12-370,611.30-147,717.76

Finding the Fourth Proportional to 268,564.12, 370,611.30 and 147,717.76

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Solution

The fourth proportional to 268,564.12, 370,611.30 and 147,717.76 is: 203,846.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,564.12 : 370,611.30 = 147,717.76 : x
  2. Step 2: Convert to fraction form
    268,564.12/370,611.30 = 147,717.76/x
  3. Step 3: Cross multiply
    268,564.12x = 370,611.30 × 147,717.76
  4. Step 4: Simplify right side
    268,564.12x = 54,745,871,066.69
  5. Step 5: Solve for x
    x = 54,745,871,066.69/268,564.12
  6. Step 6: Final answer
    x = 203,846.56

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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.