Home / 132,928.36-183,433.86-75,559.72

Finding the Fourth Proportional to 132,928.36, 183,433.86 and 75,559.72

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Solution

The fourth proportional to 132,928.36, 183,433.86 and 75,559.72 is: 104,268.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,928.36 : 183,433.86 = 75,559.72 : x
  2. Step 2: Convert to fraction form
    132,928.36/183,433.86 = 75,559.72/x
  3. Step 3: Cross multiply
    132,928.36x = 183,433.86 × 75,559.72
  4. Step 4: Simplify right side
    132,928.36x = 13,860,211,100.12
  5. Step 5: Solve for x
    x = 13,860,211,100.12/132,928.36
  6. Step 6: Final answer
    x = 104,268.28

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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.