Home / 400,458.15-600,668.46-116,140.05

Finding the Fourth Proportional to 400,458.15, 600,668.46 and 116,140.05

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Solution

The fourth proportional to 400,458.15, 600,668.46 and 116,140.05 is: 174,204.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,458.15 : 600,668.46 = 116,140.05 : x
  2. Step 2: Convert to fraction form
    400,458.15/600,668.46 = 116,140.05/x
  3. Step 3: Cross multiply
    400,458.15x = 600,668.46 × 116,140.05
  4. Step 4: Simplify right side
    400,458.15x = 69,761,664,977.82
  5. Step 5: Solve for x
    x = 69,761,664,977.82/400,458.15
  6. Step 6: Final answer
    x = 174,204.63

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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.