Home / 353,428.20-529,960.70-104,077.80

Finding the Fourth Proportional to 353,428.20, 529,960.70 and 104,077.80

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Solution

The fourth proportional to 353,428.20, 529,960.70 and 104,077.80 is: 156,063.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,428.20 : 529,960.70 = 104,077.80 : x
  2. Step 2: Convert to fraction form
    353,428.20/529,960.70 = 104,077.80/x
  3. Step 3: Cross multiply
    353,428.20x = 529,960.70 × 104,077.80
  4. Step 4: Simplify right side
    353,428.20x = 55,157,143,742.46
  5. Step 5: Solve for x
    x = 55,157,143,742.46/353,428.20
  6. Step 6: Final answer
    x = 156,063.22

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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.