Home / 115,415.10-173,122.65-95,715.90

Finding the Fourth Proportional to 115,415.10, 173,122.65 and 95,715.90

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Solution

The fourth proportional to 115,415.10, 173,122.65 and 95,715.90 is: 143,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,415.10 : 173,122.65 = 95,715.90 : x
  2. Step 2: Convert to fraction form
    115,415.10/173,122.65 = 95,715.90/x
  3. Step 3: Cross multiply
    115,415.10x = 173,122.65 × 95,715.90
  4. Step 4: Simplify right side
    115,415.10x = 16,570,590,255.14
  5. Step 5: Solve for x
    x = 16,570,590,255.14/115,415.10
  6. Step 6: Final answer
    x = 143,573.85

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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.