Home / 142,692.66-196,915.37-82,263.01

Finding the Fourth Proportional to 142,692.66, 196,915.37 and 82,263.01

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Solution

The fourth proportional to 142,692.66, 196,915.37 and 82,263.01 is: 113,522.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,692.66 : 196,915.37 = 82,263.01 : x
  2. Step 2: Convert to fraction form
    142,692.66/196,915.37 = 82,263.01/x
  3. Step 3: Cross multiply
    142,692.66x = 196,915.37 × 82,263.01
  4. Step 4: Simplify right side
    142,692.66x = 16,198,851,051.46
  5. Step 5: Solve for x
    x = 16,198,851,051.46/142,692.66
  6. Step 6: Final answer
    x = 113,522.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.