Home / 186,839.19-257,759.46-130,283.37

Finding the Fourth Proportional to 186,839.19, 257,759.46 and 130,283.37

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Solution

The fourth proportional to 186,839.19, 257,759.46 and 130,283.37 is: 179,736.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,839.19 : 257,759.46 = 130,283.37 : x
  2. Step 2: Convert to fraction form
    186,839.19/257,759.46 = 130,283.37/x
  3. Step 3: Cross multiply
    186,839.19x = 257,759.46 × 130,283.37
  4. Step 4: Simplify right side
    186,839.19x = 33,581,771,098.18
  5. Step 5: Solve for x
    x = 33,581,771,098.18/186,839.19
  6. Step 6: Final answer
    x = 179,736.23

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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.