Home / 519,110.64-778,661.37-164,124.90

Finding the Fourth Proportional to 519,110.64, 778,661.37 and 164,124.90

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Solution

The fourth proportional to 519,110.64, 778,661.37 and 164,124.90 is: 246,185.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,110.64 : 778,661.37 = 164,124.90 : x
  2. Step 2: Convert to fraction form
    519,110.64/778,661.37 = 164,124.90/x
  3. Step 3: Cross multiply
    519,110.64x = 778,661.37 × 164,124.90
  4. Step 4: Simplify right side
    519,110.64x = 127,797,719,485.11
  5. Step 5: Solve for x
    x = 127,797,719,485.11/519,110.64
  6. Step 6: Final answer
    x = 246,185.90

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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.