Home / 297,201.03-445,378.32-147,293.52

Finding the Fourth Proportional to 297,201.03, 445,378.32 and 147,293.52

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Solution

The fourth proportional to 297,201.03, 445,378.32 and 147,293.52 is: 220,730.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,201.03 : 445,378.32 = 147,293.52 : x
  2. Step 2: Convert to fraction form
    297,201.03/445,378.32 = 147,293.52/x
  3. Step 3: Cross multiply
    297,201.03x = 445,378.32 × 147,293.52
  4. Step 4: Simplify right side
    297,201.03x = 65,601,340,484.49
  5. Step 5: Solve for x
    x = 65,601,340,484.49/297,201.03
  6. Step 6: Final answer
    x = 220,730.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.