Home / 105,818.54-146,031.38-58,076.33

Finding the Fourth Proportional to 105,818.54, 146,031.38 and 58,076.33

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Solution

The fourth proportional to 105,818.54, 146,031.38 and 58,076.33 is: 80,146.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,818.54 : 146,031.38 = 58,076.33 : x
  2. Step 2: Convert to fraction form
    105,818.54/146,031.38 = 58,076.33/x
  3. Step 3: Cross multiply
    105,818.54x = 146,031.38 × 58,076.33
  4. Step 4: Simplify right side
    105,818.54x = 8,480,966,324.85
  5. Step 5: Solve for x
    x = 8,480,966,324.85/105,818.54
  6. Step 6: Final answer
    x = 80,146.32

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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.