Home / 120,607.03-166,383.07-75,296.17

Finding the Fourth Proportional to 120,607.03, 166,383.07 and 75,296.17

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Solution

The fourth proportional to 120,607.03, 166,383.07 and 75,296.17 is: 103,874.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,607.03 : 166,383.07 = 75,296.17 : x
  2. Step 2: Convert to fraction form
    120,607.03/166,383.07 = 75,296.17/x
  3. Step 3: Cross multiply
    120,607.03x = 166,383.07 × 75,296.17
  4. Step 4: Simplify right side
    120,607.03x = 12,528,007,923.84
  5. Step 5: Solve for x
    x = 12,528,007,923.84/120,607.03
  6. Step 6: Final answer
    x = 103,874.61

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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.