Home / 113,739.82-157,011.28-73,473.21

Finding the Fourth Proportional to 113,739.82, 157,011.28 and 73,473.21

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Solution

The fourth proportional to 113,739.82, 157,011.28 and 73,473.21 is: 101,425.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,739.82 : 157,011.28 = 73,473.21 : x
  2. Step 2: Convert to fraction form
    113,739.82/157,011.28 = 73,473.21/x
  3. Step 3: Cross multiply
    113,739.82x = 157,011.28 × 73,473.21
  4. Step 4: Simplify right side
    113,739.82x = 11,536,122,564.13
  5. Step 5: Solve for x
    x = 11,536,122,564.13/113,739.82
  6. Step 6: Final answer
    x = 101,425.54

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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.