Home / 136,228.14-204,376.77-42,734.70

Finding the Fourth Proportional to 136,228.14, 204,376.77 and 42,734.70

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Solution

The fourth proportional to 136,228.14, 204,376.77 and 42,734.70 is: 64,112.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,228.14 : 204,376.77 = 42,734.70 : x
  2. Step 2: Convert to fraction form
    136,228.14/204,376.77 = 42,734.70/x
  3. Step 3: Cross multiply
    136,228.14x = 204,376.77 × 42,734.70
  4. Step 4: Simplify right side
    136,228.14x = 8,733,979,952.92
  5. Step 5: Solve for x
    x = 8,733,979,952.92/136,228.14
  6. Step 6: Final answer
    x = 64,112.89

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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.