Home / 133,358.90-184,052.69-76,772.66

Finding the Fourth Proportional to 133,358.90, 184,052.69 and 76,772.66

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Solution

The fourth proportional to 133,358.90, 184,052.69 and 76,772.66 is: 105,956.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,358.90 : 184,052.69 = 76,772.66 : x
  2. Step 2: Convert to fraction form
    133,358.90/184,052.69 = 76,772.66/x
  3. Step 3: Cross multiply
    133,358.90x = 184,052.69 × 76,772.66
  4. Step 4: Simplify right side
    133,358.90x = 14,130,214,591.46
  5. Step 5: Solve for x
    x = 14,130,214,591.46/133,358.90
  6. Step 6: Final answer
    x = 105,956.29

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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.