Home / 168,949.10-253,479.99-56,640.50

Finding the Fourth Proportional to 168,949.10, 253,479.99 and 56,640.50

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Solution

The fourth proportional to 168,949.10, 253,479.99 and 56,640.50 is: 84,979.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,949.10 : 253,479.99 = 56,640.50 : x
  2. Step 2: Convert to fraction form
    168,949.10/253,479.99 = 56,640.50/x
  3. Step 3: Cross multiply
    168,949.10x = 253,479.99 × 56,640.50
  4. Step 4: Simplify right side
    168,949.10x = 14,357,233,373.60
  5. Step 5: Solve for x
    x = 14,357,233,373.60/168,949.10
  6. Step 6: Final answer
    x = 84,979.64

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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.