Home / 186,799.25-257,782.97-119,731.25

Finding the Fourth Proportional to 186,799.25, 257,782.97 and 119,731.25

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Solution

The fourth proportional to 186,799.25, 257,782.97 and 119,731.25 is: 165,229.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,799.25 : 257,782.97 = 119,731.25 : x
  2. Step 2: Convert to fraction form
    186,799.25/257,782.97 = 119,731.25/x
  3. Step 3: Cross multiply
    186,799.25x = 257,782.97 × 119,731.25
  4. Step 4: Simplify right side
    186,799.25x = 30,864,677,226.81
  5. Step 5: Solve for x
    x = 30,864,677,226.81/186,799.25
  6. Step 6: Final answer
    x = 165,229.13

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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.