Home / 319,743.90-441,247.64-176,503.61

Finding the Fourth Proportional to 319,743.90, 441,247.64 and 176,503.61

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Solution

The fourth proportional to 319,743.90, 441,247.64 and 176,503.61 is: 243,575.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,743.90 : 441,247.64 = 176,503.61 : x
  2. Step 2: Convert to fraction form
    319,743.90/441,247.64 = 176,503.61/x
  3. Step 3: Cross multiply
    319,743.90x = 441,247.64 × 176,503.61
  4. Step 4: Simplify right side
    319,743.90x = 77,881,799,599.00
  5. Step 5: Solve for x
    x = 77,881,799,599.00/319,743.90
  6. Step 6: Final answer
    x = 243,575.56

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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.