Home / 175,516.10-263,274.15-86,942.60

Finding the Fourth Proportional to 175,516.10, 263,274.15 and 86,942.60

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Solution

The fourth proportional to 175,516.10, 263,274.15 and 86,942.60 is: 130,413.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,516.10 : 263,274.15 = 86,942.60 : x
  2. Step 2: Convert to fraction form
    175,516.10/263,274.15 = 86,942.60/x
  3. Step 3: Cross multiply
    175,516.10x = 263,274.15 × 86,942.60
  4. Step 4: Simplify right side
    175,516.10x = 22,889,739,113.79
  5. Step 5: Solve for x
    x = 22,889,739,113.79/175,516.10
  6. Step 6: Final answer
    x = 130,413.90

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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.