Home / 319,298.55-440,651.79-176,058.33

Finding the Fourth Proportional to 319,298.55, 440,651.79 and 176,058.33

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Solution

The fourth proportional to 319,298.55, 440,651.79 and 176,058.33 is: 242,971.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,298.55 : 440,651.79 = 176,058.33 : x
  2. Step 2: Convert to fraction form
    319,298.55/440,651.79 = 176,058.33/x
  3. Step 3: Cross multiply
    319,298.55x = 440,651.79 × 176,058.33
  4. Step 4: Simplify right side
    319,298.55x = 77,580,418,258.91
  5. Step 5: Solve for x
    x = 77,580,418,258.91/319,298.55
  6. Step 6: Final answer
    x = 242,971.41

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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.