Home / 153,046.22-211,193.55-85,058.78

Finding the Fourth Proportional to 153,046.22, 211,193.55 and 85,058.78

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Solution

The fourth proportional to 153,046.22, 211,193.55 and 85,058.78 is: 117,375.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,046.22 : 211,193.55 = 85,058.78 : x
  2. Step 2: Convert to fraction form
    153,046.22/211,193.55 = 85,058.78/x
  3. Step 3: Cross multiply
    153,046.22x = 211,193.55 × 85,058.78
  4. Step 4: Simplify right side
    153,046.22x = 17,963,864,650.90
  5. Step 5: Solve for x
    x = 17,963,864,650.90/153,046.22
  6. Step 6: Final answer
    x = 117,375.43

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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.