Home / 115,521.46-173,238.45-45,362.50

Finding the Fourth Proportional to 115,521.46, 173,238.45 and 45,362.50

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Solution

The fourth proportional to 115,521.46, 173,238.45 and 45,362.50 is: 68,026.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,521.46 : 173,238.45 = 45,362.50 : x
  2. Step 2: Convert to fraction form
    115,521.46/173,238.45 = 45,362.50/x
  3. Step 3: Cross multiply
    115,521.46x = 173,238.45 × 45,362.50
  4. Step 4: Simplify right side
    115,521.46x = 7,858,529,188.13
  5. Step 5: Solve for x
    x = 7,858,529,188.13/115,521.46
  6. Step 6: Final answer
    x = 68,026.57

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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.