Home / 120,823.41-166,796.91-75,526.59

Finding the Fourth Proportional to 120,823.41, 166,796.91 and 75,526.59

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Solution

The fourth proportional to 120,823.41, 166,796.91 and 75,526.59 is: 104,264.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,823.41 : 166,796.91 = 75,526.59 : x
  2. Step 2: Convert to fraction form
    120,823.41/166,796.91 = 75,526.59/x
  3. Step 3: Cross multiply
    120,823.41x = 166,796.91 × 75,526.59
  4. Step 4: Simplify right side
    120,823.41x = 12,597,601,834.84
  5. Step 5: Solve for x
    x = 12,597,601,834.84/120,823.41
  6. Step 6: Final answer
    x = 104,264.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.