Home / 132,084.12-182,256.75-75,484.56

Finding the Fourth Proportional to 132,084.12, 182,256.75 and 75,484.56

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Solution

The fourth proportional to 132,084.12, 182,256.75 and 75,484.56 is: 104,157.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,084.12 : 182,256.75 = 75,484.56 : x
  2. Step 2: Convert to fraction form
    132,084.12/182,256.75 = 75,484.56/x
  3. Step 3: Cross multiply
    132,084.12x = 182,256.75 × 75,484.56
  4. Step 4: Simplify right side
    132,084.12x = 13,757,570,580.78
  5. Step 5: Solve for x
    x = 13,757,570,580.78/132,084.12
  6. Step 6: Final answer
    x = 104,157.64

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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.