Home / 190,205.30-262,756.72-151,914.58

Finding the Fourth Proportional to 190,205.30, 262,756.72 and 151,914.58

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Solution

The fourth proportional to 190,205.30, 262,756.72 and 151,914.58 is: 209,860.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,205.30 : 262,756.72 = 151,914.58 : x
  2. Step 2: Convert to fraction form
    190,205.30/262,756.72 = 151,914.58/x
  3. Step 3: Cross multiply
    190,205.30x = 262,756.72 × 151,914.58
  4. Step 4: Simplify right side
    190,205.30x = 39,916,576,760.98
  5. Step 5: Solve for x
    x = 39,916,576,760.98/190,205.30
  6. Step 6: Final answer
    x = 209,860.49

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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.