Home / 187,066.94-258,142.75-102,167.60

Finding the Fourth Proportional to 187,066.94, 258,142.75 and 102,167.60

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Solution

The fourth proportional to 187,066.94, 258,142.75 and 102,167.60 is: 140,986.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,066.94 : 258,142.75 = 102,167.60 : x
  2. Step 2: Convert to fraction form
    187,066.94/258,142.75 = 102,167.60/x
  3. Step 3: Cross multiply
    187,066.94x = 258,142.75 × 102,167.60
  4. Step 4: Simplify right side
    187,066.94x = 26,373,823,678.77
  5. Step 5: Solve for x
    x = 26,373,823,678.77/187,066.94
  6. Step 6: Final answer
    x = 140,986.03

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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.