Home / 190,726.47-262,602.41-161,984.43

Finding the Fourth Proportional to 190,726.47, 262,602.41 and 161,984.43

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Solution

The fourth proportional to 190,726.47, 262,602.41 and 161,984.43 is: 223,028.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,726.47 : 262,602.41 = 161,984.43 : x
  2. Step 2: Convert to fraction form
    190,726.47/262,602.41 = 161,984.43/x
  3. Step 3: Cross multiply
    190,726.47x = 262,602.41 × 161,984.43
  4. Step 4: Simplify right side
    190,726.47x = 42,537,500,890.55
  5. Step 5: Solve for x
    x = 42,537,500,890.55/190,726.47
  6. Step 6: Final answer
    x = 223,028.83

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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.