Home / 142,848.84-197,133.18-82,432.02

Finding the Fourth Proportional to 142,848.84, 197,133.18 and 82,432.02

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Solution

The fourth proportional to 142,848.84, 197,133.18 and 82,432.02 is: 113,757.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,848.84 : 197,133.18 = 82,432.02 : x
  2. Step 2: Convert to fraction form
    142,848.84/197,133.18 = 82,432.02/x
  3. Step 3: Cross multiply
    142,848.84x = 197,133.18 × 82,432.02
  4. Step 4: Simplify right side
    142,848.84x = 16,250,086,236.42
  5. Step 5: Solve for x
    x = 16,250,086,236.42/142,848.84
  6. Step 6: Final answer
    x = 113,757.22

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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.