Home / 147,145.58-203,046.84-82,600.04

Finding the Fourth Proportional to 147,145.58, 203,046.84 and 82,600.04

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Solution

The fourth proportional to 147,145.58, 203,046.84 and 82,600.04 is: 113,980.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,145.58 : 203,046.84 = 82,600.04 : x
  2. Step 2: Convert to fraction form
    147,145.58/203,046.84 = 82,600.04/x
  3. Step 3: Cross multiply
    147,145.58x = 203,046.84 × 82,600.04
  4. Step 4: Simplify right side
    147,145.58x = 16,771,677,105.87
  5. Step 5: Solve for x
    x = 16,771,677,105.87/147,145.58
  6. Step 6: Final answer
    x = 113,980.16

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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.