Home / 135,042.40-202,563.60-133,074.10

Finding the Fourth Proportional to 135,042.40, 202,563.60 and 133,074.10

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Solution

The fourth proportional to 135,042.40, 202,563.60 and 133,074.10 is: 199,611.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,042.40 : 202,563.60 = 133,074.10 : x
  2. Step 2: Convert to fraction form
    135,042.40/202,563.60 = 133,074.10/x
  3. Step 3: Cross multiply
    135,042.40x = 202,563.60 × 133,074.10
  4. Step 4: Simplify right side
    135,042.40x = 26,955,968,762.76
  5. Step 5: Solve for x
    x = 26,955,968,762.76/135,042.40
  6. Step 6: Final answer
    x = 199,611.15

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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.