Home / 309,526.29-464,420.66-169,120.89

Finding the Fourth Proportional to 309,526.29, 464,420.66 and 169,120.89

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Solution

The fourth proportional to 309,526.29, 464,420.66 and 169,120.89 is: 253,753.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,526.29 : 464,420.66 = 169,120.89 : x
  2. Step 2: Convert to fraction form
    309,526.29/464,420.66 = 169,120.89/x
  3. Step 3: Cross multiply
    309,526.29x = 464,420.66 × 169,120.89
  4. Step 4: Simplify right side
    309,526.29x = 78,543,234,507.98
  5. Step 5: Solve for x
    x = 78,543,234,507.98/309,526.29
  6. Step 6: Final answer
    x = 253,753.03

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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.