Home / 107,186.80-147,905.56-59,428.08

Finding the Fourth Proportional to 107,186.80, 147,905.56 and 59,428.08

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Solution

The fourth proportional to 107,186.80, 147,905.56 and 59,428.08 is: 82,003.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,186.80 : 147,905.56 = 59,428.08 : x
  2. Step 2: Convert to fraction form
    107,186.80/147,905.56 = 59,428.08/x
  3. Step 3: Cross multiply
    107,186.80x = 147,905.56 × 59,428.08
  4. Step 4: Simplify right side
    107,186.80x = 8,789,743,452.12
  5. Step 5: Solve for x
    x = 8,789,743,452.12/107,186.80
  6. Step 6: Final answer
    x = 82,003.97

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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.