Home / 282,497.46-423,642.32-113,972.72

Finding the Fourth Proportional to 282,497.46, 423,642.32 and 113,972.72

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Solution

The fourth proportional to 282,497.46, 423,642.32 and 113,972.72 is: 170,917.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,497.46 : 423,642.32 = 113,972.72 : x
  2. Step 2: Convert to fraction form
    282,497.46/423,642.32 = 113,972.72/x
  3. Step 3: Cross multiply
    282,497.46x = 423,642.32 × 113,972.72
  4. Step 4: Simplify right side
    282,497.46x = 48,283,667,517.51
  5. Step 5: Solve for x
    x = 48,283,667,517.51/282,497.46
  6. Step 6: Final answer
    x = 170,917.17

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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.