Home / 147,364.35-203,362.78-80,296.35

Finding the Fourth Proportional to 147,364.35, 203,362.78 and 80,296.35

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Solution

The fourth proportional to 147,364.35, 203,362.78 and 80,296.35 is: 110,808.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,364.35 : 203,362.78 = 80,296.35 : x
  2. Step 2: Convert to fraction form
    147,364.35/203,362.78 = 80,296.35/x
  3. Step 3: Cross multiply
    147,364.35x = 203,362.78 × 80,296.35
  4. Step 4: Simplify right side
    147,364.35x = 16,329,288,959.85
  5. Step 5: Solve for x
    x = 16,329,288,959.85/147,364.35
  6. Step 6: Final answer
    x = 110,808.95

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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.