Home / 119,619.57-179,457.15-40,734.48

Finding the Fourth Proportional to 119,619.57, 179,457.15 and 40,734.48

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Solution

The fourth proportional to 119,619.57, 179,457.15 and 40,734.48 is: 61,111.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,619.57 : 179,457.15 = 40,734.48 : x
  2. Step 2: Convert to fraction form
    119,619.57/179,457.15 = 40,734.48/x
  3. Step 3: Cross multiply
    119,619.57x = 179,457.15 × 40,734.48
  4. Step 4: Simplify right side
    119,619.57x = 7,310,093,687.53
  5. Step 5: Solve for x
    x = 7,310,093,687.53/119,619.57
  6. Step 6: Final answer
    x = 61,111.19

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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.