Home / 120,728.04-166,586.94-67,013.46

Finding the Fourth Proportional to 120,728.04, 166,586.94 and 67,013.46

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Solution

The fourth proportional to 120,728.04, 166,586.94 and 67,013.46 is: 92,468.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,728.04 : 166,586.94 = 67,013.46 : x
  2. Step 2: Convert to fraction form
    120,728.04/166,586.94 = 67,013.46/x
  3. Step 3: Cross multiply
    120,728.04x = 166,586.94 × 67,013.46
  4. Step 4: Simplify right side
    120,728.04x = 11,163,567,240.21
  5. Step 5: Solve for x
    x = 11,163,567,240.21/120,728.04
  6. Step 6: Final answer
    x = 92,468.72

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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.