Home / 132,945.52-183,361.08-85,203.32

Finding the Fourth Proportional to 132,945.52, 183,361.08 and 85,203.32

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Solution

The fourth proportional to 132,945.52, 183,361.08 and 85,203.32 is: 117,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,945.52 : 183,361.08 = 85,203.32 : x
  2. Step 2: Convert to fraction form
    132,945.52/183,361.08 = 85,203.32/x
  3. Step 3: Cross multiply
    132,945.52x = 183,361.08 × 85,203.32
  4. Step 4: Simplify right side
    132,945.52x = 15,622,972,774.79
  5. Step 5: Solve for x
    x = 15,622,972,774.79/132,945.52
  6. Step 6: Final answer
    x = 117,514.10

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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.