Home / 147,818.06-203,928.52-109,148.54

Finding the Fourth Proportional to 147,818.06, 203,928.52 and 109,148.54

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Solution

The fourth proportional to 147,818.06, 203,928.52 and 109,148.54 is: 150,580.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,818.06 : 203,928.52 = 109,148.54 : x
  2. Step 2: Convert to fraction form
    147,818.06/203,928.52 = 109,148.54/x
  3. Step 3: Cross multiply
    147,818.06x = 203,928.52 × 109,148.54
  4. Step 4: Simplify right side
    147,818.06x = 22,258,499,676.62
  5. Step 5: Solve for x
    x = 22,258,499,676.62/147,818.06
  6. Step 6: Final answer
    x = 150,580.39

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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.