Home / 106,385.94-159,379.65-95,431.50

Finding the Fourth Proportional to 106,385.94, 159,379.65 and 95,431.50

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Solution

The fourth proportional to 106,385.94, 159,379.65 and 95,431.50 is: 142,968.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,385.94 : 159,379.65 = 95,431.50 : x
  2. Step 2: Convert to fraction form
    106,385.94/159,379.65 = 95,431.50/x
  3. Step 3: Cross multiply
    106,385.94x = 159,379.65 × 95,431.50
  4. Step 4: Simplify right side
    106,385.94x = 15,209,839,068.98
  5. Step 5: Solve for x
    x = 15,209,839,068.98/106,385.94
  6. Step 6: Final answer
    x = 142,968.51

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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.