Home / 119,042.10-178,563.15-92,766.51

Finding the Fourth Proportional to 119,042.10, 178,563.15 and 92,766.51

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Solution

The fourth proportional to 119,042.10, 178,563.15 and 92,766.51 is: 139,149.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,042.10 : 178,563.15 = 92,766.51 : x
  2. Step 2: Convert to fraction form
    119,042.10/178,563.15 = 92,766.51/x
  3. Step 3: Cross multiply
    119,042.10x = 178,563.15 × 92,766.51
  4. Step 4: Simplify right side
    119,042.10x = 16,564,680,240.11
  5. Step 5: Solve for x
    x = 16,564,680,240.11/119,042.10
  6. Step 6: Final answer
    x = 139,149.77

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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.