Home / 99,346.20-149,019.30-94,738.20

Finding the Fourth Proportional to 99,346.20, 149,019.30 and 94,738.20

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Solution

The fourth proportional to 99,346.20, 149,019.30 and 94,738.20 is: 142,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,346.20 : 149,019.30 = 94,738.20 : x
  2. Step 2: Convert to fraction form
    99,346.20/149,019.30 = 94,738.20/x
  3. Step 3: Cross multiply
    99,346.20x = 149,019.30 × 94,738.20
  4. Step 4: Simplify right side
    99,346.20x = 14,117,820,247.26
  5. Step 5: Solve for x
    x = 14,117,820,247.26/99,346.20
  6. Step 6: Final answer
    x = 142,107.30

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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.