Home / 124,190.70-186,181.56-54,017.16

Finding the Fourth Proportional to 124,190.70, 186,181.56 and 54,017.16

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Solution

The fourth proportional to 124,190.70, 186,181.56 and 54,017.16 is: 80,980.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,190.70 : 186,181.56 = 54,017.16 : x
  2. Step 2: Convert to fraction form
    124,190.70/186,181.56 = 54,017.16/x
  3. Step 3: Cross multiply
    124,190.70x = 186,181.56 × 54,017.16
  4. Step 4: Simplify right side
    124,190.70x = 10,056,999,115.57
  5. Step 5: Solve for x
    x = 10,056,999,115.57/124,190.70
  6. Step 6: Final answer
    x = 80,980.29

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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.