Home / 319,724.53-441,219.78-176,484.53

Finding the Fourth Proportional to 319,724.53, 441,219.78 and 176,484.53

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Solution

The fourth proportional to 319,724.53, 441,219.78 and 176,484.53 is: 243,548.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,724.53 : 441,219.78 = 176,484.53 : x
  2. Step 2: Convert to fraction form
    319,724.53/441,219.78 = 176,484.53/x
  3. Step 3: Cross multiply
    319,724.53x = 441,219.78 × 176,484.53
  4. Step 4: Simplify right side
    319,724.53x = 77,868,465,500.00
  5. Step 5: Solve for x
    x = 77,868,465,500.00/319,724.53
  6. Step 6: Final answer
    x = 243,548.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.