Home / 231,936.10-320,066.40-136,448.94

Finding the Fourth Proportional to 231,936.10, 320,066.40 and 136,448.94

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Solution

The fourth proportional to 231,936.10, 320,066.40 and 136,448.94 is: 188,296.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,936.10 : 320,066.40 = 136,448.94 : x
  2. Step 2: Convert to fraction form
    231,936.10/320,066.40 = 136,448.94/x
  3. Step 3: Cross multiply
    231,936.10x = 320,066.40 × 136,448.94
  4. Step 4: Simplify right side
    231,936.10x = 43,672,721,009.62
  5. Step 5: Solve for x
    x = 43,672,721,009.62/231,936.10
  6. Step 6: Final answer
    x = 188,296.35

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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.