Home / 171,582.90-257,669.60-164,201.78

Finding the Fourth Proportional to 171,582.90, 257,669.60 and 164,201.78

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Solution

The fourth proportional to 171,582.90, 257,669.60 and 164,201.78 is: 246,585.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,582.90 : 257,669.60 = 164,201.78 : x
  2. Step 2: Convert to fraction form
    171,582.90/257,669.60 = 164,201.78/x
  3. Step 3: Cross multiply
    171,582.90x = 257,669.60 × 164,201.78
  4. Step 4: Simplify right side
    171,582.90x = 42,309,804,862.53
  5. Step 5: Solve for x
    x = 42,309,804,862.53/171,582.90
  6. Step 6: Final answer
    x = 246,585.21

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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.