Home / 319,962.72-441,539.19-176,719.62

Finding the Fourth Proportional to 319,962.72, 441,539.19 and 176,719.62

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Solution

The fourth proportional to 319,962.72, 441,539.19 and 176,719.62 is: 243,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,962.72 : 441,539.19 = 176,719.62 : x
  2. Step 2: Convert to fraction form
    319,962.72/441,539.19 = 176,719.62/x
  3. Step 3: Cross multiply
    319,962.72x = 441,539.19 × 176,719.62
  4. Step 4: Simplify right side
    319,962.72x = 78,028,637,871.91
  5. Step 5: Solve for x
    x = 78,028,637,871.91/319,962.72
  6. Step 6: Final answer
    x = 243,867.90

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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.