Home / 319,989.02-441,576.38-176,745.98

Finding the Fourth Proportional to 319,989.02, 441,576.38 and 176,745.98

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Solution

The fourth proportional to 319,989.02, 441,576.38 and 176,745.98 is: 243,904.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,989.02 : 441,576.38 = 176,745.98 : x
  2. Step 2: Convert to fraction form
    319,989.02/441,576.38 = 176,745.98/x
  3. Step 3: Cross multiply
    319,989.02x = 441,576.38 × 176,745.98
  4. Step 4: Simplify right side
    319,989.02x = 78,046,851,573.76
  5. Step 5: Solve for x
    x = 78,046,851,573.76/319,989.02
  6. Step 6: Final answer
    x = 243,904.78

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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.