Home / 133,448.50-184,191.74-76,892.68

Finding the Fourth Proportional to 133,448.50, 184,191.74 and 76,892.68

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Solution

The fourth proportional to 133,448.50, 184,191.74 and 76,892.68 is: 106,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,448.50 : 184,191.74 = 76,892.68 : x
  2. Step 2: Convert to fraction form
    133,448.50/184,191.74 = 76,892.68/x
  3. Step 3: Cross multiply
    133,448.50x = 184,191.74 × 76,892.68
  4. Step 4: Simplify right side
    133,448.50x = 14,162,996,522.46
  5. Step 5: Solve for x
    x = 14,162,996,522.46/133,448.50
  6. Step 6: Final answer
    x = 106,130.80

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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.