Home / 133,718.48-184,551.83-85,341.28

Finding the Fourth Proportional to 133,718.48, 184,551.83 and 85,341.28

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Solution

The fourth proportional to 133,718.48, 184,551.83 and 85,341.28 is: 117,783.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,718.48 : 184,551.83 = 85,341.28 : x
  2. Step 2: Convert to fraction form
    133,718.48/184,551.83 = 85,341.28/x
  3. Step 3: Cross multiply
    133,718.48x = 184,551.83 × 85,341.28
  4. Step 4: Simplify right side
    133,718.48x = 15,749,889,398.54
  5. Step 5: Solve for x
    x = 15,749,889,398.54/133,718.48
  6. Step 6: Final answer
    x = 117,783.94

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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.