Home / 147,292.56-203,264.54-82,764.52

Finding the Fourth Proportional to 147,292.56, 203,264.54 and 82,764.52

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Solution

The fourth proportional to 147,292.56, 203,264.54 and 82,764.52 is: 114,215.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,292.56 : 203,264.54 = 82,764.52 : x
  2. Step 2: Convert to fraction form
    147,292.56/203,264.54 = 82,764.52/x
  3. Step 3: Cross multiply
    147,292.56x = 203,264.54 × 82,764.52
  4. Step 4: Simplify right side
    147,292.56x = 16,823,091,474.50
  5. Step 5: Solve for x
    x = 16,823,091,474.50/147,292.56
  6. Step 6: Final answer
    x = 114,215.49

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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.