Home / 186,849.14-257,857.29-101,971.66

Finding the Fourth Proportional to 186,849.14, 257,857.29 and 101,971.66

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Solution

The fourth proportional to 186,849.14, 257,857.29 and 101,971.66 is: 140,723.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,849.14 : 257,857.29 = 101,971.66 : x
  2. Step 2: Convert to fraction form
    186,849.14/257,857.29 = 101,971.66/x
  3. Step 3: Cross multiply
    186,849.14x = 257,857.29 × 101,971.66
  4. Step 4: Simplify right side
    186,849.14x = 26,294,135,904.40
  5. Step 5: Solve for x
    x = 26,294,135,904.40/186,849.14
  6. Step 6: Final answer
    x = 140,723.88

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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.