Home / 136,255.13-204,389.98-42,768.17

Finding the Fourth Proportional to 136,255.13, 204,389.98 and 42,768.17

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Solution

The fourth proportional to 136,255.13, 204,389.98 and 42,768.17 is: 64,154.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,255.13 : 204,389.98 = 42,768.17 : x
  2. Step 2: Convert to fraction form
    136,255.13/204,389.98 = 42,768.17/x
  3. Step 3: Cross multiply
    136,255.13x = 204,389.98 × 42,768.17
  4. Step 4: Simplify right side
    136,255.13x = 8,741,385,410.94
  5. Step 5: Solve for x
    x = 8,741,385,410.94/136,255.13
  6. Step 6: Final answer
    x = 64,154.54

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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.