Home / 120,975.99-166,946.72-67,259.31

Finding the Fourth Proportional to 120,975.99, 166,946.72 and 67,259.31

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Solution

The fourth proportional to 120,975.99, 166,946.72 and 67,259.31 is: 92,817.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,975.99 : 166,946.72 = 67,259.31 : x
  2. Step 2: Convert to fraction form
    120,975.99/166,946.72 = 67,259.31/x
  3. Step 3: Cross multiply
    120,975.99x = 166,946.72 × 67,259.31
  4. Step 4: Simplify right side
    120,975.99x = 11,228,720,857.67
  5. Step 5: Solve for x
    x = 11,228,720,857.67/120,975.99
  6. Step 6: Final answer
    x = 92,817.76

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1.5x scale

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.