Home / 201,680.55-302,520.83-135,325.35

Finding the Fourth Proportional to 201,680.55, 302,520.83 and 135,325.35

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Solution

The fourth proportional to 201,680.55, 302,520.83 and 135,325.35 is: 202,988.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,680.55 : 302,520.83 = 135,325.35 : x
  2. Step 2: Convert to fraction form
    201,680.55/302,520.83 = 135,325.35/x
  3. Step 3: Cross multiply
    201,680.55x = 302,520.83 × 135,325.35
  4. Step 4: Simplify right side
    201,680.55x = 40,938,736,525.41
  5. Step 5: Solve for x
    x = 40,938,736,525.41/201,680.55
  6. Step 6: Final answer
    x = 202,988.03

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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.