Home / 119,112.18-178,640.98-71,094.34

Finding the Fourth Proportional to 119,112.18, 178,640.98 and 71,094.34

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Solution

The fourth proportional to 119,112.18, 178,640.98 and 71,094.34 is: 106,625.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,112.18 : 178,640.98 = 71,094.34 : x
  2. Step 2: Convert to fraction form
    119,112.18/178,640.98 = 71,094.34/x
  3. Step 3: Cross multiply
    119,112.18x = 178,640.98 × 71,094.34
  4. Step 4: Simplify right side
    119,112.18x = 12,700,362,570.05
  5. Step 5: Solve for x
    x = 12,700,362,570.05/119,112.18
  6. Step 6: Final answer
    x = 106,625.22

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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.