Home / 155,716.82-232,721.94-113,685.42

Finding the Fourth Proportional to 155,716.82, 232,721.94 and 113,685.42

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Solution

The fourth proportional to 155,716.82, 232,721.94 and 113,685.42 is: 169,905.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,716.82 : 232,721.94 = 113,685.42 : x
  2. Step 2: Convert to fraction form
    155,716.82/232,721.94 = 113,685.42/x
  3. Step 3: Cross multiply
    155,716.82x = 232,721.94 × 113,685.42
  4. Step 4: Simplify right side
    155,716.82x = 26,457,090,842.60
  5. Step 5: Solve for x
    x = 26,457,090,842.60/155,716.82
  6. Step 6: Final answer
    x = 169,905.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.