Home / 186,788.40-257,694.24-115,044

Finding the Fourth Proportional to 186,788.40, 257,694.24 and 115,044

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Solution

The fourth proportional to 186,788.40, 257,694.24 and 115,044 is: 158,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,788.40 : 257,694.24 = 115,044 : x
  2. Step 2: Convert to fraction form
    186,788.40/257,694.24 = 115,044/x
  3. Step 3: Cross multiply
    186,788.40x = 257,694.24 × 115,044
  4. Step 4: Simplify right side
    186,788.40x = 29,646,176,146.56
  5. Step 5: Solve for x
    x = 29,646,176,146.56/186,788.40
  6. Step 6: Final answer
    x = 158,715.30

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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.