Home / 133,708.42-184,411.33-113,631.76

Finding the Fourth Proportional to 133,708.42, 184,411.33 and 113,631.76

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Solution

The fourth proportional to 133,708.42, 184,411.33 and 113,631.76 is: 156,721.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,708.42 : 184,411.33 = 113,631.76 : x
  2. Step 2: Convert to fraction form
    133,708.42/184,411.33 = 113,631.76/x
  3. Step 3: Cross multiply
    133,708.42x = 184,411.33 × 113,631.76
  4. Step 4: Simplify right side
    133,708.42x = 20,954,984,577.45
  5. Step 5: Solve for x
    x = 20,954,984,577.45/133,708.42
  6. Step 6: Final answer
    x = 156,721.50

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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.