Home / 133,828.72-184,220.04-115,671.10

Finding the Fourth Proportional to 133,828.72, 184,220.04 and 115,671.10

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Solution

The fourth proportional to 133,828.72, 184,220.04 and 115,671.10 is: 159,225.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,828.72 : 184,220.04 = 115,671.10 : x
  2. Step 2: Convert to fraction form
    133,828.72/184,220.04 = 115,671.10/x
  3. Step 3: Cross multiply
    133,828.72x = 184,220.04 × 115,671.10
  4. Step 4: Simplify right side
    133,828.72x = 21,308,934,668.84
  5. Step 5: Solve for x
    x = 21,308,934,668.84/133,828.72
  6. Step 6: Final answer
    x = 159,225.42

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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.