Home / 135,780.92-203,805.45-101,929.23

Finding the Fourth Proportional to 135,780.92, 203,805.45 and 101,929.23

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Solution

The fourth proportional to 135,780.92, 203,805.45 and 101,929.23 is: 152,994.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,780.92 : 203,805.45 = 101,929.23 : x
  2. Step 2: Convert to fraction form
    135,780.92/203,805.45 = 101,929.23/x
  3. Step 3: Cross multiply
    135,780.92x = 203,805.45 × 101,929.23
  4. Step 4: Simplify right side
    135,780.92x = 20,773,732,588.30
  5. Step 5: Solve for x
    x = 20,773,732,588.30/135,780.92
  6. Step 6: Final answer
    x = 152,994.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.