Home / 268,130.45-370,023.05-147,274.56

Finding the Fourth Proportional to 268,130.45, 370,023.05 and 147,274.56

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Solution

The fourth proportional to 268,130.45, 370,023.05 and 147,274.56 is: 203,240.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,130.45 : 370,023.05 = 147,274.56 : x
  2. Step 2: Convert to fraction form
    268,130.45/370,023.05 = 147,274.56/x
  3. Step 3: Cross multiply
    268,130.45x = 370,023.05 × 147,274.56
  4. Step 4: Simplify right side
    268,130.45x = 54,494,982,246.79
  5. Step 5: Solve for x
    x = 54,494,982,246.79/268,130.45
  6. Step 6: Final answer
    x = 203,240.56

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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.