Home / 146,965.06-202,815.12-79,897.06

Finding the Fourth Proportional to 146,965.06, 202,815.12 and 79,897.06

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Solution

The fourth proportional to 146,965.06, 202,815.12 and 79,897.06 is: 110,259.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,965.06 : 202,815.12 = 79,897.06 : x
  2. Step 2: Convert to fraction form
    146,965.06/202,815.12 = 79,897.06/x
  3. Step 3: Cross multiply
    146,965.06x = 202,815.12 × 79,897.06
  4. Step 4: Simplify right side
    146,965.06x = 16,204,331,811.55
  5. Step 5: Solve for x
    x = 16,204,331,811.55/146,965.06
  6. Step 6: Final answer
    x = 110,259.76

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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.