Home / 153,276.58-211,540.09-92,845.45

Finding the Fourth Proportional to 153,276.58, 211,540.09 and 92,845.45

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Solution

The fourth proportional to 153,276.58, 211,540.09 and 92,845.45 is: 128,137.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,276.58 : 211,540.09 = 92,845.45 : x
  2. Step 2: Convert to fraction form
    153,276.58/211,540.09 = 92,845.45/x
  3. Step 3: Cross multiply
    153,276.58x = 211,540.09 × 92,845.45
  4. Step 4: Simplify right side
    153,276.58x = 19,640,533,559.28
  5. Step 5: Solve for x
    x = 19,640,533,559.28/153,276.58
  6. Step 6: Final answer
    x = 128,137.87

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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.