Home / 276,536.06-381,592.49-154,024.34

Finding the Fourth Proportional to 276,536.06, 381,592.49 and 154,024.34

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Solution

The fourth proportional to 276,536.06, 381,592.49 and 154,024.34 is: 212,538.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,536.06 : 381,592.49 = 154,024.34 : x
  2. Step 2: Convert to fraction form
    276,536.06/381,592.49 = 154,024.34/x
  3. Step 3: Cross multiply
    276,536.06x = 381,592.49 × 154,024.34
  4. Step 4: Simplify right side
    276,536.06x = 58,774,530,036.20
  5. Step 5: Solve for x
    x = 58,774,530,036.20/276,536.06
  6. Step 6: Final answer
    x = 212,538.39

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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.