Home / 213,991.20-295,304.40-118,497.60

Finding the Fourth Proportional to 213,991.20, 295,304.40 and 118,497.60

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Solution

The fourth proportional to 213,991.20, 295,304.40 and 118,497.60 is: 163,524.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,991.20 : 295,304.40 = 118,497.60 : x
  2. Step 2: Convert to fraction form
    213,991.20/295,304.40 = 118,497.60/x
  3. Step 3: Cross multiply
    213,991.20x = 295,304.40 × 118,497.60
  4. Step 4: Simplify right side
    213,991.20x = 34,992,862,669.44
  5. Step 5: Solve for x
    x = 34,992,862,669.44/213,991.20
  6. Step 6: Final answer
    x = 163,524.77

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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.