Home / 319,781.44-441,298.38-176,541.76

Finding the Fourth Proportional to 319,781.44, 441,298.38 and 176,541.76

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Solution

The fourth proportional to 319,781.44, 441,298.38 and 176,541.76 is: 243,627.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,781.44 : 441,298.38 = 176,541.76 : x
  2. Step 2: Convert to fraction form
    319,781.44/441,298.38 = 176,541.76/x
  3. Step 3: Cross multiply
    319,781.44x = 441,298.38 × 176,541.76
  4. Step 4: Simplify right side
    319,781.44x = 77,907,592,690.35
  5. Step 5: Solve for x
    x = 77,907,592,690.35/319,781.44
  6. Step 6: Final answer
    x = 243,627.62

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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.