Home / 213,852.45-295,105.86-121,975.37

Finding the Fourth Proportional to 213,852.45, 295,105.86 and 121,975.37

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Solution

The fourth proportional to 213,852.45, 295,105.86 and 121,975.37 is: 168,320.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,852.45 : 295,105.86 = 121,975.37 : x
  2. Step 2: Convert to fraction form
    213,852.45/295,105.86 = 121,975.37/x
  3. Step 3: Cross multiply
    213,852.45x = 295,105.86 × 121,975.37
  4. Step 4: Simplify right side
    213,852.45x = 35,995,646,462.67
  5. Step 5: Solve for x
    x = 35,995,646,462.67/213,852.45
  6. Step 6: Final answer
    x = 168,320.01

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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.