Home / 147,327.09-203,301.82-86,883.88

Finding the Fourth Proportional to 147,327.09, 203,301.82 and 86,883.88

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Solution

The fourth proportional to 147,327.09, 203,301.82 and 86,883.88 is: 119,894.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,327.09 : 203,301.82 = 86,883.88 : x
  2. Step 2: Convert to fraction form
    147,327.09/203,301.82 = 86,883.88/x
  3. Step 3: Cross multiply
    147,327.09x = 203,301.82 × 86,883.88
  4. Step 4: Simplify right side
    147,327.09x = 17,663,650,932.66
  5. Step 5: Solve for x
    x = 17,663,650,932.66/147,327.09
  6. Step 6: Final answer
    x = 119,894.11

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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.