Home / 115,950.24-173,915.64-78,749.37

Finding the Fourth Proportional to 115,950.24, 173,915.64 and 78,749.37

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Solution

The fourth proportional to 115,950.24, 173,915.64 and 78,749.37 is: 118,117.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,950.24 : 173,915.64 = 78,749.37 : x
  2. Step 2: Convert to fraction form
    115,950.24/173,915.64 = 78,749.37/x
  3. Step 3: Cross multiply
    115,950.24x = 173,915.64 × 78,749.37
  4. Step 4: Simplify right side
    115,950.24x = 13,695,747,083.15
  5. Step 5: Solve for x
    x = 13,695,747,083.15/115,950.24
  6. Step 6: Final answer
    x = 118,117.45

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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.