Home / 123,919.06-171,002.73-70,202.98

Finding the Fourth Proportional to 123,919.06, 171,002.73 and 70,202.98

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Solution

The fourth proportional to 123,919.06, 171,002.73 and 70,202.98 is: 96,876.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,919.06 : 171,002.73 = 70,202.98 : x
  2. Step 2: Convert to fraction form
    123,919.06/171,002.73 = 70,202.98/x
  3. Step 3: Cross multiply
    123,919.06x = 171,002.73 × 70,202.98
  4. Step 4: Simplify right side
    123,919.06x = 12,004,901,234.14
  5. Step 5: Solve for x
    x = 12,004,901,234.14/123,919.06
  6. Step 6: Final answer
    x = 96,876.96

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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.