Home / 259,260.60-388,585.20-116,939.28

Finding the Fourth Proportional to 259,260.60, 388,585.20 and 116,939.28

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Solution

The fourth proportional to 259,260.60, 388,585.20 and 116,939.28 is: 175,271.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,260.60 : 388,585.20 = 116,939.28 : x
  2. Step 2: Convert to fraction form
    259,260.60/388,585.20 = 116,939.28/x
  3. Step 3: Cross multiply
    259,260.60x = 388,585.20 × 116,939.28
  4. Step 4: Simplify right side
    259,260.60x = 45,440,873,506.66
  5. Step 5: Solve for x
    x = 45,440,873,506.66/259,260.60
  6. Step 6: Final answer
    x = 175,271.03

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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.