Home / 264,506.20-396,176.10-139,701.40

Finding the Fourth Proportional to 264,506.20, 396,176.10 and 139,701.40

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Solution

The fourth proportional to 264,506.20, 396,176.10 and 139,701.40 is: 209,244.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,506.20 : 396,176.10 = 139,701.40 : x
  2. Step 2: Convert to fraction form
    264,506.20/396,176.10 = 139,701.40/x
  3. Step 3: Cross multiply
    264,506.20x = 396,176.10 × 139,701.40
  4. Step 4: Simplify right side
    264,506.20x = 55,346,355,816.54
  5. Step 5: Solve for x
    x = 55,346,355,816.54/264,506.20
  6. Step 6: Final answer
    x = 209,244.08

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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.