Home / 114,936.54-172,254.87-71,641.58

Finding the Fourth Proportional to 114,936.54, 172,254.87 and 71,641.58

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Solution

The fourth proportional to 114,936.54, 172,254.87 and 71,641.58 is: 107,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,936.54 : 172,254.87 = 71,641.58 : x
  2. Step 2: Convert to fraction form
    114,936.54/172,254.87 = 71,641.58/x
  3. Step 3: Cross multiply
    114,936.54x = 172,254.87 × 71,641.58
  4. Step 4: Simplify right side
    114,936.54x = 12,340,610,188.22
  5. Step 5: Solve for x
    x = 12,340,610,188.22/114,936.54
  6. Step 6: Final answer
    x = 107,368.90

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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.