Home / 150,532.08-207,734.04-86,869.86

Finding the Fourth Proportional to 150,532.08, 207,734.04 and 86,869.86

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Solution

The fourth proportional to 150,532.08, 207,734.04 and 86,869.86 is: 119,880.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,532.08 : 207,734.04 = 86,869.86 : x
  2. Step 2: Convert to fraction form
    150,532.08/207,734.04 = 86,869.86/x
  3. Step 3: Cross multiply
    150,532.08x = 207,734.04 × 86,869.86
  4. Step 4: Simplify right side
    150,532.08x = 18,045,826,972.03
  5. Step 5: Solve for x
    x = 18,045,826,972.03/150,532.08
  6. Step 6: Final answer
    x = 119,880.27

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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.