Home / 136,246.63-204,402.77-42,752.38

Finding the Fourth Proportional to 136,246.63, 204,402.77 and 42,752.38

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Solution

The fourth proportional to 136,246.63, 204,402.77 and 42,752.38 is: 64,138.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,246.63 : 204,402.77 = 42,752.38 : x
  2. Step 2: Convert to fraction form
    136,246.63/204,402.77 = 42,752.38/x
  3. Step 3: Cross multiply
    136,246.63x = 204,402.77 × 42,752.38
  4. Step 4: Simplify right side
    136,246.63x = 8,738,704,896.09
  5. Step 5: Solve for x
    x = 8,738,704,896.09/136,246.63
  6. Step 6: Final answer
    x = 64,138.87

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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.