Home / 319,772.22-441,274.10-176,529.20

Finding the Fourth Proportional to 319,772.22, 441,274.10 and 176,529.20

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Solution

The fourth proportional to 319,772.22, 441,274.10 and 176,529.20 is: 243,603.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,772.22 : 441,274.10 = 176,529.20 : x
  2. Step 2: Convert to fraction form
    319,772.22/441,274.10 = 176,529.20/x
  3. Step 3: Cross multiply
    319,772.22x = 441,274.10 × 176,529.20
  4. Step 4: Simplify right side
    319,772.22x = 77,897,763,853.72
  5. Step 5: Solve for x
    x = 77,897,763,853.72/319,772.22
  6. Step 6: Final answer
    x = 243,603.91

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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.