Home / 147,143.07-203,043.39-82,597.52

Finding the Fourth Proportional to 147,143.07, 203,043.39 and 82,597.52

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Solution

The fourth proportional to 147,143.07, 203,043.39 and 82,597.52 is: 113,976.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,143.07 : 203,043.39 = 82,597.52 : x
  2. Step 2: Convert to fraction form
    147,143.07/203,043.39 = 82,597.52/x
  3. Step 3: Cross multiply
    147,143.07x = 203,043.39 × 82,597.52
  4. Step 4: Simplify right side
    147,143.07x = 16,770,880,466.39
  5. Step 5: Solve for x
    x = 16,770,880,466.39/147,143.07
  6. Step 6: Final answer
    x = 113,976.69

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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.