Home / 319,904.28-441,445.68-176,663.07

Finding the Fourth Proportional to 319,904.28, 441,445.68 and 176,663.07

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Solution

The fourth proportional to 319,904.28, 441,445.68 and 176,663.07 is: 243,782.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,904.28 : 441,445.68 = 176,663.07 : x
  2. Step 2: Convert to fraction form
    319,904.28/441,445.68 = 176,663.07/x
  3. Step 3: Cross multiply
    319,904.28x = 441,445.68 × 176,663.07
  4. Step 4: Simplify right side
    319,904.28x = 77,987,149,067.04
  5. Step 5: Solve for x
    x = 77,987,149,067.04/319,904.28
  6. Step 6: Final answer
    x = 243,782.76

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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.