Home / 116,257.21-160,437.89-65,273.91

Finding the Fourth Proportional to 116,257.21, 160,437.89 and 65,273.91

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Solution

The fourth proportional to 116,257.21, 160,437.89 and 65,273.91 is: 90,079.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,257.21 : 160,437.89 = 65,273.91 : x
  2. Step 2: Convert to fraction form
    116,257.21/160,437.89 = 65,273.91/x
  3. Step 3: Cross multiply
    116,257.21x = 160,437.89 × 65,273.91
  4. Step 4: Simplify right side
    116,257.21x = 10,472,408,221.64
  5. Step 5: Solve for x
    x = 10,472,408,221.64/116,257.21
  6. Step 6: Final answer
    x = 90,079.65

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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.