Home / 145,610.09-201,003.92-97,891.11

Finding the Fourth Proportional to 145,610.09, 201,003.92 and 97,891.11

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Solution

The fourth proportional to 145,610.09, 201,003.92 and 97,891.11 is: 135,131.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,610.09 : 201,003.92 = 97,891.11 : x
  2. Step 2: Convert to fraction form
    145,610.09/201,003.92 = 97,891.11/x
  3. Step 3: Cross multiply
    145,610.09x = 201,003.92 × 97,891.11
  4. Step 4: Simplify right side
    145,610.09x = 19,676,496,720.79
  5. Step 5: Solve for x
    x = 19,676,496,720.79/145,610.09
  6. Step 6: Final answer
    x = 135,131.41

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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.