Home / 223,837.36-335,868.60-139,575.76

Finding the Fourth Proportional to 223,837.36, 335,868.60 and 139,575.76

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Solution

The fourth proportional to 223,837.36, 335,868.60 and 139,575.76 is: 209,433.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,837.36 : 335,868.60 = 139,575.76 : x
  2. Step 2: Convert to fraction form
    223,837.36/335,868.60 = 139,575.76/x
  3. Step 3: Cross multiply
    223,837.36x = 335,868.60 × 139,575.76
  4. Step 4: Simplify right side
    223,837.36x = 46,879,115,105.14
  5. Step 5: Solve for x
    x = 46,879,115,105.14/223,837.36
  6. Step 6: Final answer
    x = 209,433.83

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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.