Home / 128,858.35-193,293.61-106,327.24

Finding the Fourth Proportional to 128,858.35, 193,293.61 and 106,327.24

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Solution

The fourth proportional to 128,858.35, 193,293.61 and 106,327.24 is: 159,495.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,858.35 : 193,293.61 = 106,327.24 : x
  2. Step 2: Convert to fraction form
    128,858.35/193,293.61 = 106,327.24/x
  3. Step 3: Cross multiply
    128,858.35x = 193,293.61 × 106,327.24
  4. Step 4: Simplify right side
    128,858.35x = 20,552,376,060.94
  5. Step 5: Solve for x
    x = 20,552,376,060.94/128,858.35
  6. Step 6: Final answer
    x = 159,495.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.