Home / 136,263.84-204,428.58-42,769.56

Finding the Fourth Proportional to 136,263.84, 204,428.58 and 42,769.56

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Solution

The fourth proportional to 136,263.84, 204,428.58 and 42,769.56 is: 64,164.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,263.84 : 204,428.58 = 42,769.56 : x
  2. Step 2: Convert to fraction form
    136,263.84/204,428.58 = 42,769.56/x
  3. Step 3: Cross multiply
    136,263.84x = 204,428.58 × 42,769.56
  4. Step 4: Simplify right side
    136,263.84x = 8,743,320,418.02
  5. Step 5: Solve for x
    x = 8,743,320,418.02/136,263.84
  6. Step 6: Final answer
    x = 64,164.64

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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.