Home / 104,486.14-156,729.21-73,459.90

Finding the Fourth Proportional to 104,486.14, 156,729.21 and 73,459.90

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Solution

The fourth proportional to 104,486.14, 156,729.21 and 73,459.90 is: 110,189.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,486.14 : 156,729.21 = 73,459.90 : x
  2. Step 2: Convert to fraction form
    104,486.14/156,729.21 = 73,459.90/x
  3. Step 3: Cross multiply
    104,486.14x = 156,729.21 × 73,459.90
  4. Step 4: Simplify right side
    104,486.14x = 11,513,312,093.68
  5. Step 5: Solve for x
    x = 11,513,312,093.68/104,486.14
  6. Step 6: Final answer
    x = 110,189.85

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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.