Home / 133,078.80-199,326.60-118,304.40

Finding the Fourth Proportional to 133,078.80, 199,326.60 and 118,304.40

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Solution

The fourth proportional to 133,078.80, 199,326.60 and 118,304.40 is: 177,197.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,078.80 : 199,326.60 = 118,304.40 : x
  2. Step 2: Convert to fraction form
    133,078.80/199,326.60 = 118,304.40/x
  3. Step 3: Cross multiply
    133,078.80x = 199,326.60 × 118,304.40
  4. Step 4: Simplify right side
    133,078.80x = 23,581,213,817.04
  5. Step 5: Solve for x
    x = 23,581,213,817.04/133,078.80
  6. Step 6: Final answer
    x = 177,197.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.