Home / 319,257.48-440,578.44-176,023.20

Finding the Fourth Proportional to 319,257.48, 440,578.44 and 176,023.20

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Solution

The fourth proportional to 319,257.48, 440,578.44 and 176,023.20 is: 242,913.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,257.48 : 440,578.44 = 176,023.20 : x
  2. Step 2: Convert to fraction form
    319,257.48/440,578.44 = 176,023.20/x
  3. Step 3: Cross multiply
    319,257.48x = 440,578.44 × 176,023.20
  4. Step 4: Simplify right side
    319,257.48x = 77,552,026,859.81
  5. Step 5: Solve for x
    x = 77,552,026,859.81/319,257.48
  6. Step 6: Final answer
    x = 242,913.73

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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.