Home / 135,089.80-202,367.40-118,468.60

Finding the Fourth Proportional to 135,089.80, 202,367.40 and 118,468.60

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Solution

The fourth proportional to 135,089.80, 202,367.40 and 118,468.60 is: 177,468.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,089.80 : 202,367.40 = 118,468.60 : x
  2. Step 2: Convert to fraction form
    135,089.80/202,367.40 = 118,468.60/x
  3. Step 3: Cross multiply
    135,089.80x = 202,367.40 × 118,468.60
  4. Step 4: Simplify right side
    135,089.80x = 23,974,182,563.64
  5. Step 5: Solve for x
    x = 23,974,182,563.64/135,089.80
  6. Step 6: Final answer
    x = 177,468.49

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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.