Home / 319,909.64-441,473.82-176,669.06

Finding the Fourth Proportional to 319,909.64, 441,473.82 and 176,669.06

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Solution

The fourth proportional to 319,909.64, 441,473.82 and 176,669.06 is: 243,802.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,909.64 : 441,473.82 = 176,669.06 : x
  2. Step 2: Convert to fraction form
    319,909.64/441,473.82 = 176,669.06/x
  3. Step 3: Cross multiply
    319,909.64x = 441,473.82 × 176,669.06
  4. Step 4: Simplify right side
    319,909.64x = 77,994,764,794.01
  5. Step 5: Solve for x
    x = 77,994,764,794.01/319,909.64
  6. Step 6: Final answer
    x = 243,802.48

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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.