Home / 190,455.94-285,744.25-114,637.51

Finding the Fourth Proportional to 190,455.94, 285,744.25 and 114,637.51

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Solution

The fourth proportional to 190,455.94, 285,744.25 and 114,637.51 is: 171,992.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,455.94 : 285,744.25 = 114,637.51 : x
  2. Step 2: Convert to fraction form
    190,455.94/285,744.25 = 114,637.51/x
  3. Step 3: Cross multiply
    190,455.94x = 285,744.25 × 114,637.51
  4. Step 4: Simplify right side
    190,455.94x = 32,757,007,888.10
  5. Step 5: Solve for x
    x = 32,757,007,888.10/190,455.94
  6. Step 6: Final answer
    x = 171,992.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.