Home / 106,749.39-160,118.31-54,157.52

Finding the Fourth Proportional to 106,749.39, 160,118.31 and 54,157.52

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Solution

The fourth proportional to 106,749.39, 160,118.31 and 54,157.52 is: 81,233.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,749.39 : 160,118.31 = 54,157.52 : x
  2. Step 2: Convert to fraction form
    106,749.39/160,118.31 = 54,157.52/x
  3. Step 3: Cross multiply
    106,749.39x = 160,118.31 × 54,157.52
  4. Step 4: Simplify right side
    106,749.39x = 8,671,609,775.60
  5. Step 5: Solve for x
    x = 8,671,609,775.60/106,749.39
  6. Step 6: Final answer
    x = 81,233.34

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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.