Home / 389,201.71-583,827.17-164,520.27

Finding the Fourth Proportional to 389,201.71, 583,827.17 and 164,520.27

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Solution

The fourth proportional to 389,201.71, 583,827.17 and 164,520.27 is: 246,790.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,201.71 : 583,827.17 = 164,520.27 : x
  2. Step 2: Convert to fraction form
    389,201.71/583,827.17 = 164,520.27/x
  3. Step 3: Cross multiply
    389,201.71x = 583,827.17 × 164,520.27
  4. Step 4: Simplify right side
    389,201.71x = 96,051,403,641.74
  5. Step 5: Solve for x
    x = 96,051,403,641.74/389,201.71
  6. Step 6: Final answer
    x = 246,790.81

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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.