Home / 260,107.07-358,936.72-163,361.48

Finding the Fourth Proportional to 260,107.07, 358,936.72 and 163,361.48

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Solution

The fourth proportional to 260,107.07, 358,936.72 and 163,361.48 is: 225,431.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,107.07 : 358,936.72 = 163,361.48 : x
  2. Step 2: Convert to fraction form
    260,107.07/358,936.72 = 163,361.48/x
  3. Step 3: Cross multiply
    260,107.07x = 358,936.72 × 163,361.48
  4. Step 4: Simplify right side
    260,107.07x = 58,636,431,602.46
  5. Step 5: Solve for x
    x = 58,636,431,602.46/260,107.07
  6. Step 6: Final answer
    x = 225,431.91

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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.