Home / 199,263.89-298,688.23-86,913.94

Finding the Fourth Proportional to 199,263.89, 298,688.23 and 86,913.94

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Solution

The fourth proportional to 199,263.89, 298,688.23 and 86,913.94 is: 130,280.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,263.89 : 298,688.23 = 86,913.94 : x
  2. Step 2: Convert to fraction form
    199,263.89/298,688.23 = 86,913.94/x
  3. Step 3: Cross multiply
    199,263.89x = 298,688.23 × 86,913.94
  4. Step 4: Simplify right side
    199,263.89x = 25,960,171,382.93
  5. Step 5: Solve for x
    x = 25,960,171,382.93/199,263.89
  6. Step 6: Final answer
    x = 130,280.36

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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.