Home / 281,585.26-388,597.38-154,260.82

Finding the Fourth Proportional to 281,585.26, 388,597.38 and 154,260.82

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Solution

The fourth proportional to 281,585.26, 388,597.38 and 154,260.82 is: 212,885.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,585.26 : 388,597.38 = 154,260.82 : x
  2. Step 2: Convert to fraction form
    281,585.26/388,597.38 = 154,260.82/x
  3. Step 3: Cross multiply
    281,585.26x = 388,597.38 × 154,260.82
  4. Step 4: Simplify right side
    281,585.26x = 59,945,350,488.65
  5. Step 5: Solve for x
    x = 59,945,350,488.65/281,585.26
  6. Step 6: Final answer
    x = 212,885.26

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1.5x scale

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.