Home / 190,727.47-262,603.79-161,985.43

Finding the Fourth Proportional to 190,727.47, 262,603.79 and 161,985.43

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Solution

The fourth proportional to 190,727.47, 262,603.79 and 161,985.43 is: 223,030.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,727.47 : 262,603.79 = 161,985.43 : x
  2. Step 2: Convert to fraction form
    190,727.47/262,603.79 = 161,985.43/x
  3. Step 3: Cross multiply
    190,727.47x = 262,603.79 × 161,985.43
  4. Step 4: Simplify right side
    190,727.47x = 42,537,987,032.85
  5. Step 5: Solve for x
    x = 42,537,987,032.85/190,727.47
  6. Step 6: Final answer
    x = 223,030.21

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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.