Home / 141,382.24-212,073.40-66,447.36

Finding the Fourth Proportional to 141,382.24, 212,073.40 and 66,447.36

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Solution

The fourth proportional to 141,382.24, 212,073.40 and 66,447.36 is: 99,671.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,382.24 : 212,073.40 = 66,447.36 : x
  2. Step 2: Convert to fraction form
    141,382.24/212,073.40 = 66,447.36/x
  3. Step 3: Cross multiply
    141,382.24x = 212,073.40 × 66,447.36
  4. Step 4: Simplify right side
    141,382.24x = 14,091,717,556.22
  5. Step 5: Solve for x
    x = 14,091,717,556.22/141,382.24
  6. Step 6: Final answer
    x = 99,671.06

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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.