Home / 213,650.16-294,162.34-188,139.21

Finding the Fourth Proportional to 213,650.16, 294,162.34 and 188,139.21

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Solution

The fourth proportional to 213,650.16, 294,162.34 and 188,139.21 is: 259,037.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,650.16 : 294,162.34 = 188,139.21 : x
  2. Step 2: Convert to fraction form
    213,650.16/294,162.34 = 188,139.21/x
  3. Step 3: Cross multiply
    213,650.16x = 294,162.34 × 188,139.21
  4. Step 4: Simplify right side
    213,650.16x = 55,343,470,259.35
  5. Step 5: Solve for x
    x = 55,343,470,259.35/213,650.16
  6. Step 6: Final answer
    x = 259,037.81

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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.