Home / 106,654.88-147,171.12-58,905.38

Finding the Fourth Proportional to 106,654.88, 147,171.12 and 58,905.38

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Solution

The fourth proportional to 106,654.88, 147,171.12 and 58,905.38 is: 81,282.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,654.88 : 147,171.12 = 58,905.38 : x
  2. Step 2: Convert to fraction form
    106,654.88/147,171.12 = 58,905.38/x
  3. Step 3: Cross multiply
    106,654.88x = 147,171.12 × 58,905.38
  4. Step 4: Simplify right side
    106,654.88x = 8,669,170,748.63
  5. Step 5: Solve for x
    x = 8,669,170,748.63/106,654.88
  6. Step 6: Final answer
    x = 81,282.46

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1.5x scale

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.