Home / 142,010.64-195,984.36-82,394.64

Finding the Fourth Proportional to 142,010.64, 195,984.36 and 82,394.64

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Solution

The fourth proportional to 142,010.64, 195,984.36 and 82,394.64 is: 113,710.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,010.64 : 195,984.36 = 82,394.64 : x
  2. Step 2: Convert to fraction form
    142,010.64/195,984.36 = 82,394.64/x
  3. Step 3: Cross multiply
    142,010.64x = 195,984.36 × 82,394.64
  4. Step 4: Simplify right side
    142,010.64x = 16,148,060,787.83
  5. Step 5: Solve for x
    x = 16,148,060,787.83/142,010.64
  6. Step 6: Final answer
    x = 113,710.22

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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.