Home / 106,687.56-147,257.82-63,118.20

Finding the Fourth Proportional to 106,687.56, 147,257.82 and 63,118.20

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Solution

The fourth proportional to 106,687.56, 147,257.82 and 63,118.20 is: 87,120.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,687.56 : 147,257.82 = 63,118.20 : x
  2. Step 2: Convert to fraction form
    106,687.56/147,257.82 = 63,118.20/x
  3. Step 3: Cross multiply
    106,687.56x = 147,257.82 × 63,118.20
  4. Step 4: Simplify right side
    106,687.56x = 9,294,648,534.32
  5. Step 5: Solve for x
    x = 9,294,648,534.32/106,687.56
  6. Step 6: Final answer
    x = 87,120.27

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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.