Home / 141,261.82-211,712.38-66,216.66

Finding the Fourth Proportional to 141,261.82, 211,712.38 and 66,216.66

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Solution

The fourth proportional to 141,261.82, 211,712.38 and 66,216.66 is: 99,240.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,261.82 : 211,712.38 = 66,216.66 : x
  2. Step 2: Convert to fraction form
    141,261.82/211,712.38 = 66,216.66/x
  3. Step 3: Cross multiply
    141,261.82x = 211,712.38 × 66,216.66
  4. Step 4: Simplify right side
    141,261.82x = 14,018,887,883.58
  5. Step 5: Solve for x
    x = 14,018,887,883.58/141,261.82
  6. Step 6: Final answer
    x = 99,240.46

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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.