Home / 211,633.76-292,033.32-126,748.64

Finding the Fourth Proportional to 211,633.76, 292,033.32 and 126,748.64

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Solution

The fourth proportional to 211,633.76, 292,033.32 and 126,748.64 is: 174,900.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,633.76 : 292,033.32 = 126,748.64 : x
  2. Step 2: Convert to fraction form
    211,633.76/292,033.32 = 126,748.64/x
  3. Step 3: Cross multiply
    211,633.76x = 292,033.32 × 126,748.64
  4. Step 4: Simplify right side
    211,633.76x = 37,014,826,144.68
  5. Step 5: Solve for x
    x = 37,014,826,144.68/211,633.76
  6. Step 6: Final answer
    x = 174,900.39

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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.