Home / 319,423.53-479,452.32-169,665.06

Finding the Fourth Proportional to 319,423.53, 479,452.32 and 169,665.06

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Solution

The fourth proportional to 319,423.53, 479,452.32 and 169,665.06 is: 254,665.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,423.53 : 479,452.32 = 169,665.06 : x
  2. Step 2: Convert to fraction form
    319,423.53/479,452.32 = 169,665.06/x
  3. Step 3: Cross multiply
    319,423.53x = 479,452.32 × 169,665.06
  4. Step 4: Simplify right side
    319,423.53x = 81,346,306,639.94
  5. Step 5: Solve for x
    x = 81,346,306,639.94/319,423.53
  6. Step 6: Final answer
    x = 254,665.98

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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.