Home / 171,811.77-257,794.22-66,638.94

Finding the Fourth Proportional to 171,811.77, 257,794.22 and 66,638.94

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Solution

The fourth proportional to 171,811.77, 257,794.22 and 66,638.94 is: 99,988.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,811.77 : 257,794.22 = 66,638.94 : x
  2. Step 2: Convert to fraction form
    171,811.77/257,794.22 = 66,638.94/x
  3. Step 3: Cross multiply
    171,811.77x = 257,794.22 × 66,638.94
  4. Step 4: Simplify right side
    171,811.77x = 17,179,133,558.93
  5. Step 5: Solve for x
    x = 17,179,133,558.93/171,811.77
  6. Step 6: Final answer
    x = 99,988.11

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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.