Home / 186,394.43-257,231.60-105,829.45

Finding the Fourth Proportional to 186,394.43, 257,231.60 and 105,829.45

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Solution

The fourth proportional to 186,394.43, 257,231.60 and 105,829.45 is: 146,048.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,394.43 : 257,231.60 = 105,829.45 : x
  2. Step 2: Convert to fraction form
    186,394.43/257,231.60 = 105,829.45/x
  3. Step 3: Cross multiply
    186,394.43x = 257,231.60 × 105,829.45
  4. Step 4: Simplify right side
    186,394.43x = 27,222,679,422.18
  5. Step 5: Solve for x
    x = 27,222,679,422.18/186,394.43
  6. Step 6: Final answer
    x = 146,048.78

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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.