Home / 190,037.52-262,037.16-142,137.36

Finding the Fourth Proportional to 190,037.52, 262,037.16 and 142,137.36

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Solution

The fourth proportional to 190,037.52, 262,037.16 and 142,137.36 is: 195,989.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,037.52 : 262,037.16 = 142,137.36 : x
  2. Step 2: Convert to fraction form
    190,037.52/262,037.16 = 142,137.36/x
  3. Step 3: Cross multiply
    190,037.52x = 262,037.16 × 142,137.36
  4. Step 4: Simplify right side
    190,037.52x = 37,245,270,144.30
  5. Step 5: Solve for x
    x = 37,245,270,144.30/190,037.52
  6. Step 6: Final answer
    x = 195,989.03

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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.