Home / 133,767.68-184,534.08-112,539.20

Finding the Fourth Proportional to 133,767.68, 184,534.08 and 112,539.20

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Solution

The fourth proportional to 133,767.68, 184,534.08 and 112,539.20 is: 155,249.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,767.68 : 184,534.08 = 112,539.20 : x
  2. Step 2: Convert to fraction form
    133,767.68/184,534.08 = 112,539.20/x
  3. Step 3: Cross multiply
    133,767.68x = 184,534.08 × 112,539.20
  4. Step 4: Simplify right side
    133,767.68x = 20,767,317,735.94
  5. Step 5: Solve for x
    x = 20,767,317,735.94/133,767.68
  6. Step 6: Final answer
    x = 155,249.14

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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.