Home / 281,561.58-388,554.96-154,237.14

Finding the Fourth Proportional to 281,561.58, 388,554.96 and 154,237.14

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Solution

The fourth proportional to 281,561.58, 388,554.96 and 154,237.14 is: 212,847.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,561.58 : 388,554.96 = 154,237.14 : x
  2. Step 2: Convert to fraction form
    281,561.58/388,554.96 = 154,237.14/x
  3. Step 3: Cross multiply
    281,561.58x = 388,554.96 × 154,237.14
  4. Step 4: Simplify right side
    281,561.58x = 59,929,605,763.21
  5. Step 5: Solve for x
    x = 59,929,605,763.21/281,561.58
  6. Step 6: Final answer
    x = 212,847.24

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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.