Home / 276,536.63-381,596.06-154,019.68

Finding the Fourth Proportional to 276,536.63, 381,596.06 and 154,019.68

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Solution

The fourth proportional to 276,536.63, 381,596.06 and 154,019.68 is: 212,533.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,536.63 : 381,596.06 = 154,019.68 : x
  2. Step 2: Convert to fraction form
    276,536.63/381,596.06 = 154,019.68/x
  3. Step 3: Cross multiply
    276,536.63x = 381,596.06 × 154,019.68
  4. Step 4: Simplify right side
    276,536.63x = 58,773,302,481.52
  5. Step 5: Solve for x
    x = 58,773,302,481.52/276,536.63
  6. Step 6: Final answer
    x = 212,533.51

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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.