Home / 120,825.66-166,800.02-75,528.84

Finding the Fourth Proportional to 120,825.66, 166,800.02 and 75,528.84

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Solution

The fourth proportional to 120,825.66, 166,800.02 and 75,528.84 is: 104,267.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,825.66 : 166,800.02 = 75,528.84 : x
  2. Step 2: Convert to fraction form
    120,825.66/166,800.02 = 75,528.84/x
  3. Step 3: Cross multiply
    120,825.66x = 166,800.02 × 75,528.84
  4. Step 4: Simplify right side
    120,825.66x = 12,598,211,644.93
  5. Step 5: Solve for x
    x = 12,598,211,644.93/120,825.66
  6. Step 6: Final answer
    x = 104,267.68

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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.