Home / 190,203.63-262,754.41-151,912.91

Finding the Fourth Proportional to 190,203.63, 262,754.41 and 151,912.91

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Solution

The fourth proportional to 190,203.63, 262,754.41 and 151,912.91 is: 209,858.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,203.63 : 262,754.41 = 151,912.91 : x
  2. Step 2: Convert to fraction form
    190,203.63/262,754.41 = 151,912.91/x
  3. Step 3: Cross multiply
    190,203.63x = 262,754.41 × 151,912.91
  4. Step 4: Simplify right side
    190,203.63x = 39,915,785,914.55
  5. Step 5: Solve for x
    x = 39,915,785,914.55/190,203.63
  6. Step 6: Final answer
    x = 209,858.17

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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.