Home / 319,743.30-441,245.32-176,503.00

Finding the Fourth Proportional to 319,743.30, 441,245.32 and 176,503.00

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Solution

The fourth proportional to 319,743.30, 441,245.32 and 176,503.00 is: 243,573.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,743.30 : 441,245.32 = 176,503.00 : x
  2. Step 2: Convert to fraction form
    319,743.30/441,245.32 = 176,503.00/x
  3. Step 3: Cross multiply
    319,743.30x = 441,245.32 × 176,503.00
  4. Step 4: Simplify right side
    319,743.30x = 77,881,122,991.75
  5. Step 5: Solve for x
    x = 77,881,122,991.75/319,743.30
  6. Step 6: Final answer
    x = 243,573.90

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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.