Home / 130,696.27-196,241.23-74,599.72

Finding the Fourth Proportional to 130,696.27, 196,241.23 and 74,599.72

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Solution

The fourth proportional to 130,696.27, 196,241.23 and 74,599.72 is: 112,011.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,696.27 : 196,241.23 = 74,599.72 : x
  2. Step 2: Convert to fraction form
    130,696.27/196,241.23 = 74,599.72/x
  3. Step 3: Cross multiply
    130,696.27x = 196,241.23 × 74,599.72
  4. Step 4: Simplify right side
    130,696.27x = 14,639,540,413.10
  5. Step 5: Solve for x
    x = 14,639,540,413.10/130,696.27
  6. Step 6: Final answer
    x = 112,011.92

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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.