Home / 146,981.38-202,828.42-86,554.57

Finding the Fourth Proportional to 146,981.38, 202,828.42 and 86,554.57

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Solution

The fourth proportional to 146,981.38, 202,828.42 and 86,554.57 is: 119,441.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,981.38 : 202,828.42 = 86,554.57 : x
  2. Step 2: Convert to fraction form
    146,981.38/202,828.42 = 86,554.57/x
  3. Step 3: Cross multiply
    146,981.38x = 202,828.42 × 86,554.57
  4. Step 4: Simplify right side
    146,981.38x = 17,555,726,676.88
  5. Step 5: Solve for x
    x = 17,555,726,676.88/146,981.38
  6. Step 6: Final answer
    x = 119,441.84

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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.