Home / 281,544.94-388,532.18-154,222.66

Finding the Fourth Proportional to 281,544.94, 388,532.18 and 154,222.66

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Solution

The fourth proportional to 281,544.94, 388,532.18 and 154,222.66 is: 212,827.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,544.94 : 388,532.18 = 154,222.66 : x
  2. Step 2: Convert to fraction form
    281,544.94/388,532.18 = 154,222.66/x
  3. Step 3: Cross multiply
    281,544.94x = 388,532.18 × 154,222.66
  4. Step 4: Simplify right side
    281,544.94x = 59,920,466,295.20
  5. Step 5: Solve for x
    x = 59,920,466,295.20/281,544.94
  6. Step 6: Final answer
    x = 212,827.36

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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.