Home / 133,917.41-184,805.62-72,663.35

Finding the Fourth Proportional to 133,917.41, 184,805.62 and 72,663.35

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Solution

The fourth proportional to 133,917.41, 184,805.62 and 72,663.35 is: 100,275.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,917.41 : 184,805.62 = 72,663.35 : x
  2. Step 2: Convert to fraction form
    133,917.41/184,805.62 = 72,663.35/x
  3. Step 3: Cross multiply
    133,917.41x = 184,805.62 × 72,663.35
  4. Step 4: Simplify right side
    133,917.41x = 13,428,594,342.34
  5. Step 5: Solve for x
    x = 13,428,594,342.34/133,917.41
  6. Step 6: Final answer
    x = 100,275.19

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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.