Home / 147,428.52-203,245.23-124,676.02

Finding the Fourth Proportional to 147,428.52, 203,245.23 and 124,676.02

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Solution

The fourth proportional to 147,428.52, 203,245.23 and 124,676.02 is: 171,878.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,428.52 : 203,245.23 = 124,676.02 : x
  2. Step 2: Convert to fraction form
    147,428.52/203,245.23 = 124,676.02/x
  3. Step 3: Cross multiply
    147,428.52x = 203,245.23 × 124,676.02
  4. Step 4: Simplify right side
    147,428.52x = 25,339,806,360.38
  5. Step 5: Solve for x
    x = 25,339,806,360.38/147,428.52
  6. Step 6: Final answer
    x = 171,878.59

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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.