Home / 106,389.29-146,818.19-58,644.33

Finding the Fourth Proportional to 106,389.29, 146,818.19 and 58,644.33

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Solution

The fourth proportional to 106,389.29, 146,818.19 and 58,644.33 is: 80,929.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,389.29 : 146,818.19 = 58,644.33 : x
  2. Step 2: Convert to fraction form
    106,389.29/146,818.19 = 58,644.33/x
  3. Step 3: Cross multiply
    106,389.29x = 146,818.19 × 58,644.33
  4. Step 4: Simplify right side
    106,389.29x = 8,610,054,091.14
  5. Step 5: Solve for x
    x = 8,610,054,091.14/106,389.29
  6. Step 6: Final answer
    x = 80,929.71

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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.