Home / 207,246.48-286,010.64-122,361.72

Finding the Fourth Proportional to 207,246.48, 286,010.64 and 122,361.72

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Solution

The fourth proportional to 207,246.48, 286,010.64 and 122,361.72 is: 168,865.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,246.48 : 286,010.64 = 122,361.72 : x
  2. Step 2: Convert to fraction form
    207,246.48/286,010.64 = 122,361.72/x
  3. Step 3: Cross multiply
    207,246.48x = 286,010.64 × 122,361.72
  4. Step 4: Simplify right side
    207,246.48x = 34,996,753,848.70
  5. Step 5: Solve for x
    x = 34,996,753,848.70/207,246.48
  6. Step 6: Final answer
    x = 168,865.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.