Home / 281,364.96-388,310.04-168,185.28

Finding the Fourth Proportional to 281,364.96, 388,310.04 and 168,185.28

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Solution

The fourth proportional to 281,364.96, 388,310.04 and 168,185.28 is: 232,111.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,364.96 : 388,310.04 = 168,185.28 : x
  2. Step 2: Convert to fraction form
    281,364.96/388,310.04 = 168,185.28/x
  3. Step 3: Cross multiply
    281,364.96x = 388,310.04 × 168,185.28
  4. Step 4: Simplify right side
    281,364.96x = 65,308,032,804.21
  5. Step 5: Solve for x
    x = 65,308,032,804.21/281,364.96
  6. Step 6: Final answer
    x = 232,111.46

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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.