Home / 259,119.26-388,384.04-157,693.56

Finding the Fourth Proportional to 259,119.26, 388,384.04 and 157,693.56

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Solution

The fourth proportional to 259,119.26, 388,384.04 and 157,693.56 is: 236,360.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,119.26 : 388,384.04 = 157,693.56 : x
  2. Step 2: Convert to fraction form
    259,119.26/388,384.04 = 157,693.56/x
  3. Step 3: Cross multiply
    259,119.26x = 388,384.04 × 157,693.56
  4. Step 4: Simplify right side
    259,119.26x = 61,245,661,126.31
  5. Step 5: Solve for x
    x = 61,245,661,126.31/259,119.26
  6. Step 6: Final answer
    x = 236,360.90

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1.5x scale

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.