Home / 135,880.25-203,820.10-36,050.45

Finding the Fourth Proportional to 135,880.25, 203,820.10 and 36,050.45

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Solution

The fourth proportional to 135,880.25, 203,820.10 and 36,050.45 is: 54,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,880.25 : 203,820.10 = 36,050.45 : x
  2. Step 2: Convert to fraction form
    135,880.25/203,820.10 = 36,050.45/x
  3. Step 3: Cross multiply
    135,880.25x = 203,820.10 × 36,050.45
  4. Step 4: Simplify right side
    135,880.25x = 7,347,805,124.69
  5. Step 5: Solve for x
    x = 7,347,805,124.69/135,880.25
  6. Step 6: Final answer
    x = 54,075.60

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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.