Home / 147,408.95-203,431.55-82,898.48

Finding the Fourth Proportional to 147,408.95, 203,431.55 and 82,898.48

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Solution

The fourth proportional to 147,408.95, 203,431.55 and 82,898.48 is: 114,403.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,408.95 : 203,431.55 = 82,898.48 : x
  2. Step 2: Convert to fraction form
    147,408.95/203,431.55 = 82,898.48/x
  3. Step 3: Cross multiply
    147,408.95x = 203,431.55 × 82,898.48
  4. Step 4: Simplify right side
    147,408.95x = 16,864,166,279.04
  5. Step 5: Solve for x
    x = 16,864,166,279.04/147,408.95
  6. Step 6: Final answer
    x = 114,403.95

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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.