Home / 132,833.81-183,206.96-85,091.60

Finding the Fourth Proportional to 132,833.81, 183,206.96 and 85,091.60

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Solution

The fourth proportional to 132,833.81, 183,206.96 and 85,091.60 is: 117,359.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,833.81 : 183,206.96 = 85,091.60 : x
  2. Step 2: Convert to fraction form
    132,833.81/183,206.96 = 85,091.60/x
  3. Step 3: Cross multiply
    132,833.81x = 183,206.96 × 85,091.60
  4. Step 4: Simplify right side
    132,833.81x = 15,589,373,157.29
  5. Step 5: Solve for x
    x = 15,589,373,157.29/132,833.81
  6. Step 6: Final answer
    x = 117,359.98

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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.