Home / 142,692.41-196,915.02-82,262.76

Finding the Fourth Proportional to 142,692.41, 196,915.02 and 82,262.76

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Solution

The fourth proportional to 142,692.41, 196,915.02 and 82,262.76 is: 113,522.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,692.41 : 196,915.02 = 82,262.76 : x
  2. Step 2: Convert to fraction form
    142,692.41/196,915.02 = 82,262.76/x
  3. Step 3: Cross multiply
    142,692.41x = 196,915.02 × 82,262.76
  4. Step 4: Simplify right side
    142,692.41x = 16,198,773,030.66
  5. Step 5: Solve for x
    x = 16,198,773,030.66/142,692.41
  6. Step 6: Final answer
    x = 113,522.32

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1.5x scale

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.