Home / 281,369.03-388,326.24-160,482.61

Finding the Fourth Proportional to 281,369.03, 388,326.24 and 160,482.61

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Solution

The fourth proportional to 281,369.03, 388,326.24 and 160,482.61 is: 221,487.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,369.03 : 388,326.24 = 160,482.61 : x
  2. Step 2: Convert to fraction form
    281,369.03/388,326.24 = 160,482.61/x
  3. Step 3: Cross multiply
    281,369.03x = 388,326.24 × 160,482.61
  4. Step 4: Simplify right side
    281,369.03x = 62,319,608,526.69
  5. Step 5: Solve for x
    x = 62,319,608,526.69/281,369.03
  6. Step 6: Final answer
    x = 221,487.09

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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.