Home / 281,629.55-388,633.89-160,766.03

Finding the Fourth Proportional to 281,629.55, 388,633.89 and 160,766.03

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Solution

The fourth proportional to 281,629.55, 388,633.89 and 160,766.03 is: 221,848.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,629.55 : 388,633.89 = 160,766.03 : x
  2. Step 2: Convert to fraction form
    281,629.55/388,633.89 = 160,766.03/x
  3. Step 3: Cross multiply
    281,629.55x = 388,633.89 × 160,766.03
  4. Step 4: Simplify right side
    281,629.55x = 62,479,127,618.76
  5. Step 5: Solve for x
    x = 62,479,127,618.76/281,629.55
  6. Step 6: Final answer
    x = 221,848.62

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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.