Home / 353,145.20-529,734.12-116,508.56

Finding the Fourth Proportional to 353,145.20, 529,734.12 and 116,508.56

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Solution

The fourth proportional to 353,145.20, 529,734.12 and 116,508.56 is: 174,768.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,145.20 : 529,734.12 = 116,508.56 : x
  2. Step 2: Convert to fraction form
    353,145.20/529,734.12 = 116,508.56/x
  3. Step 3: Cross multiply
    353,145.20x = 529,734.12 × 116,508.56
  4. Step 4: Simplify right side
    353,145.20x = 61,718,559,504.07
  5. Step 5: Solve for x
    x = 61,718,559,504.07/353,145.20
  6. Step 6: Final answer
    x = 174,768.22

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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.