Home / 234,855.25-324,090.79-127,421.17

Finding the Fourth Proportional to 234,855.25, 324,090.79 and 127,421.17

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Solution

The fourth proportional to 234,855.25, 324,090.79 and 127,421.17 is: 175,836.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,855.25 : 324,090.79 = 127,421.17 : x
  2. Step 2: Convert to fraction form
    234,855.25/324,090.79 = 127,421.17/x
  3. Step 3: Cross multiply
    234,855.25x = 324,090.79 × 127,421.17
  4. Step 4: Simplify right side
    234,855.25x = 41,296,027,648.02
  5. Step 5: Solve for x
    x = 41,296,027,648.02/234,855.25
  6. Step 6: Final answer
    x = 175,836.08

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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.