Home / 136,369.20-204,483.75-73,242.43

Finding the Fourth Proportional to 136,369.20, 204,483.75 and 73,242.43

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Solution

The fourth proportional to 136,369.20, 204,483.75 and 73,242.43 is: 109,826.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,369.20 : 204,483.75 = 73,242.43 : x
  2. Step 2: Convert to fraction form
    136,369.20/204,483.75 = 73,242.43/x
  3. Step 3: Cross multiply
    136,369.20x = 204,483.75 × 73,242.43
  4. Step 4: Simplify right side
    136,369.20x = 14,976,886,726.46
  5. Step 5: Solve for x
    x = 14,976,886,726.46/136,369.20
  6. Step 6: Final answer
    x = 109,826.02

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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.