Home / 129,005.73-193,007.88-113,091.03

Finding the Fourth Proportional to 129,005.73, 193,007.88 and 113,091.03

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Solution

The fourth proportional to 129,005.73, 193,007.88 and 113,091.03 is: 169,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,005.73 : 193,007.88 = 113,091.03 : x
  2. Step 2: Convert to fraction form
    129,005.73/193,007.88 = 113,091.03/x
  3. Step 3: Cross multiply
    129,005.73x = 193,007.88 × 113,091.03
  4. Step 4: Simplify right side
    129,005.73x = 21,827,459,947.32
  5. Step 5: Solve for x
    x = 21,827,459,947.32/129,005.73
  6. Step 6: Final answer
    x = 169,197.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.