Home / 133,374.78-184,124.04-103,091.66

Finding the Fourth Proportional to 133,374.78, 184,124.04 and 103,091.66

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Solution

The fourth proportional to 133,374.78, 184,124.04 and 103,091.66 is: 142,318.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,374.78 : 184,124.04 = 103,091.66 : x
  2. Step 2: Convert to fraction form
    133,374.78/184,124.04 = 103,091.66/x
  3. Step 3: Cross multiply
    133,374.78x = 184,124.04 × 103,091.66
  4. Step 4: Simplify right side
    133,374.78x = 18,981,652,929.51
  5. Step 5: Solve for x
    x = 18,981,652,929.51/133,374.78
  6. Step 6: Final answer
    x = 142,318.16

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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.