Home / 389,101.47-583,764.98-161,354.73

Finding the Fourth Proportional to 389,101.47, 583,764.98 and 161,354.73

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Solution

The fourth proportional to 389,101.47, 583,764.98 and 161,354.73 is: 242,078.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,101.47 : 583,764.98 = 161,354.73 : x
  2. Step 2: Convert to fraction form
    389,101.47/583,764.98 = 161,354.73/x
  3. Step 3: Cross multiply
    389,101.47x = 583,764.98 × 161,354.73
  4. Step 4: Simplify right side
    389,101.47x = 94,193,242,113.70
  5. Step 5: Solve for x
    x = 94,193,242,113.70/389,101.47
  6. Step 6: Final answer
    x = 242,078.86

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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.