Home / 223,576.64-308,541.60-122,977.28

Finding the Fourth Proportional to 223,576.64, 308,541.60 and 122,977.28

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Solution

The fourth proportional to 223,576.64, 308,541.60 and 122,977.28 is: 169,711.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,576.64 : 308,541.60 = 122,977.28 : x
  2. Step 2: Convert to fraction form
    223,576.64/308,541.60 = 122,977.28/x
  3. Step 3: Cross multiply
    223,576.64x = 308,541.60 × 122,977.28
  4. Step 4: Simplify right side
    223,576.64x = 37,943,606,734.85
  5. Step 5: Solve for x
    x = 37,943,606,734.85/223,576.64
  6. Step 6: Final answer
    x = 169,711.86

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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.