Home / 168,916.32-253,461.96-122,551.92

Finding the Fourth Proportional to 168,916.32, 253,461.96 and 122,551.92

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Solution

The fourth proportional to 168,916.32, 253,461.96 and 122,551.92 is: 183,891.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,916.32 : 253,461.96 = 122,551.92 : x
  2. Step 2: Convert to fraction form
    168,916.32/253,461.96 = 122,551.92/x
  3. Step 3: Cross multiply
    168,916.32x = 253,461.96 × 122,551.92
  4. Step 4: Simplify right side
    168,916.32x = 31,062,249,844.96
  5. Step 5: Solve for x
    x = 31,062,249,844.96/168,916.32
  6. Step 6: Final answer
    x = 183,891.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.