Home / 259,302.60-388,176.30-154,067.40

Finding the Fourth Proportional to 259,302.60, 388,176.30 and 154,067.40

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Solution

The fourth proportional to 259,302.60, 388,176.30 and 154,067.40 is: 230,639.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,302.60 : 388,176.30 = 154,067.40 : x
  2. Step 2: Convert to fraction form
    259,302.60/388,176.30 = 154,067.40/x
  3. Step 3: Cross multiply
    259,302.60x = 388,176.30 × 154,067.40
  4. Step 4: Simplify right side
    259,302.60x = 59,805,313,282.62
  5. Step 5: Solve for x
    x = 59,805,313,282.62/259,302.60
  6. Step 6: Final answer
    x = 230,639.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.