Home / 136,786.84-205,541.10-73,653.64

Finding the Fourth Proportional to 136,786.84, 205,541.10 and 73,653.64

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Solution

The fourth proportional to 136,786.84, 205,541.10 and 73,653.64 is: 110,674.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,786.84 : 205,541.10 = 73,653.64 : x
  2. Step 2: Convert to fraction form
    136,786.84/205,541.10 = 73,653.64/x
  3. Step 3: Cross multiply
    136,786.84x = 205,541.10 × 73,653.64
  4. Step 4: Simplify right side
    136,786.84x = 15,138,850,184.60
  5. Step 5: Solve for x
    x = 15,138,850,184.60/136,786.84
  6. Step 6: Final answer
    x = 110,674.76

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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.