Home / 319,265.56-440,589.54-176,031.28

Finding the Fourth Proportional to 319,265.56, 440,589.54 and 176,031.28

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Solution

The fourth proportional to 319,265.56, 440,589.54 and 176,031.28 is: 242,924.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,265.56 : 440,589.54 = 176,031.28 : x
  2. Step 2: Convert to fraction form
    319,265.56/440,589.54 = 176,031.28/x
  3. Step 3: Cross multiply
    319,265.56x = 440,589.54 × 176,031.28
  4. Step 4: Simplify right side
    319,265.56x = 77,557,540,680.81
  5. Step 5: Solve for x
    x = 77,557,540,680.81/319,265.56
  6. Step 6: Final answer
    x = 242,924.86

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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.