Home / 106,729.58-147,282.99-64,279.82

Finding the Fourth Proportional to 106,729.58, 147,282.99 and 64,279.82

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Solution

The fourth proportional to 106,729.58, 147,282.99 and 64,279.82 is: 88,703.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,729.58 : 147,282.99 = 64,279.82 : x
  2. Step 2: Convert to fraction form
    106,729.58/147,282.99 = 64,279.82/x
  3. Step 3: Cross multiply
    106,729.58x = 147,282.99 × 64,279.82
  4. Step 4: Simplify right side
    106,729.58x = 9,467,324,086.26
  5. Step 5: Solve for x
    x = 9,467,324,086.26/106,729.58
  6. Step 6: Final answer
    x = 88,703.84

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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.