Home / 113,350.68-169,953.12-54,185.04

Finding the Fourth Proportional to 113,350.68, 169,953.12 and 54,185.04

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Solution

The fourth proportional to 113,350.68, 169,953.12 and 54,185.04 is: 81,242.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,350.68 : 169,953.12 = 54,185.04 : x
  2. Step 2: Convert to fraction form
    113,350.68/169,953.12 = 54,185.04/x
  3. Step 3: Cross multiply
    113,350.68x = 169,953.12 × 54,185.04
  4. Step 4: Simplify right side
    113,350.68x = 9,208,916,605.32
  5. Step 5: Solve for x
    x = 9,208,916,605.32/113,350.68
  6. Step 6: Final answer
    x = 81,242.71

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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.