Home / 103,564.20-155,346.30-29,692.20

Finding the Fourth Proportional to 103,564.20, 155,346.30 and 29,692.20

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Solution

The fourth proportional to 103,564.20, 155,346.30 and 29,692.20 is: 44,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,564.20 : 155,346.30 = 29,692.20 : x
  2. Step 2: Convert to fraction form
    103,564.20/155,346.30 = 29,692.20/x
  3. Step 3: Cross multiply
    103,564.20x = 155,346.30 × 29,692.20
  4. Step 4: Simplify right side
    103,564.20x = 4,612,573,408.86
  5. Step 5: Solve for x
    x = 4,612,573,408.86/103,564.20
  6. Step 6: Final answer
    x = 44,538.30

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1.5x scale

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.