Home / 135,953.10-203,929.65-98,433.90

Finding the Fourth Proportional to 135,953.10, 203,929.65 and 98,433.90

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Solution

The fourth proportional to 135,953.10, 203,929.65 and 98,433.90 is: 147,650.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,953.10 : 203,929.65 = 98,433.90 : x
  2. Step 2: Convert to fraction form
    135,953.10/203,929.65 = 98,433.90/x
  3. Step 3: Cross multiply
    135,953.10x = 203,929.65 × 98,433.90
  4. Step 4: Simplify right side
    135,953.10x = 20,073,590,775.14
  5. Step 5: Solve for x
    x = 20,073,590,775.14/135,953.10
  6. Step 6: Final answer
    x = 147,650.85

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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.