Home / 104,223.08-155,579.96-91,611.92

Finding the Fourth Proportional to 104,223.08, 155,579.96 and 91,611.92

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Solution

The fourth proportional to 104,223.08, 155,579.96 and 91,611.92 is: 136,754.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,223.08 : 155,579.96 = 91,611.92 : x
  2. Step 2: Convert to fraction form
    104,223.08/155,579.96 = 91,611.92/x
  3. Step 3: Cross multiply
    104,223.08x = 155,579.96 × 91,611.92
  4. Step 4: Simplify right side
    104,223.08x = 14,252,978,849.12
  5. Step 5: Solve for x
    x = 14,252,978,849.12/104,223.08
  6. Step 6: Final answer
    x = 136,754.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.