Home / 146,965.78-202,815.12-83,302.24

Finding the Fourth Proportional to 146,965.78, 202,815.12 and 83,302.24

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Solution

The fourth proportional to 146,965.78, 202,815.12 and 83,302.24 is: 114,958.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,965.78 : 202,815.12 = 83,302.24 : x
  2. Step 2: Convert to fraction form
    146,965.78/202,815.12 = 83,302.24/x
  3. Step 3: Cross multiply
    146,965.78x = 202,815.12 × 83,302.24
  4. Step 4: Simplify right side
    146,965.78x = 16,894,953,801.87
  5. Step 5: Solve for x
    x = 16,894,953,801.87/146,965.78
  6. Step 6: Final answer
    x = 114,958.42

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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.