Home / 281,566.53-388,570.77-154,249.92

Finding the Fourth Proportional to 281,566.53, 388,570.77 and 154,249.92

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Solution

The fourth proportional to 281,566.53, 388,570.77 and 154,249.92 is: 212,869.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,566.53 : 388,570.77 = 154,249.92 : x
  2. Step 2: Convert to fraction form
    281,566.53/388,570.77 = 154,249.92/x
  3. Step 3: Cross multiply
    281,566.53x = 388,570.77 × 154,249.92
  4. Step 4: Simplify right side
    281,566.53x = 59,937,010,186.84
  5. Step 5: Solve for x
    x = 59,937,010,186.84/281,566.53
  6. Step 6: Final answer
    x = 212,869.80

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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.