Home / 173,221.74-239,039.37-108,725.49

Finding the Fourth Proportional to 173,221.74, 239,039.37 and 108,725.49

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Solution

The fourth proportional to 173,221.74, 239,039.37 and 108,725.49 is: 150,037.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,221.74 : 239,039.37 = 108,725.49 : x
  2. Step 2: Convert to fraction form
    173,221.74/239,039.37 = 108,725.49/x
  3. Step 3: Cross multiply
    173,221.74x = 239,039.37 × 108,725.49
  4. Step 4: Simplify right side
    173,221.74x = 25,989,672,632.54
  5. Step 5: Solve for x
    x = 25,989,672,632.54/173,221.74
  6. Step 6: Final answer
    x = 150,037.01

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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.