Home / 319,258.26-440,579.69-176,023.43

Finding the Fourth Proportional to 319,258.26, 440,579.69 and 176,023.43

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Solution

The fourth proportional to 319,258.26, 440,579.69 and 176,023.43 is: 242,914.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,258.26 : 440,579.69 = 176,023.43 : x
  2. Step 2: Convert to fraction form
    319,258.26/440,579.69 = 176,023.43/x
  3. Step 3: Cross multiply
    319,258.26x = 440,579.69 × 176,023.43
  4. Step 4: Simplify right side
    319,258.26x = 77,552,348,193.98
  5. Step 5: Solve for x
    x = 77,552,348,193.98/319,258.26
  6. Step 6: Final answer
    x = 242,914.15

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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.