Home / 106,165.41-146,512.17-58,420.77

Finding the Fourth Proportional to 106,165.41, 146,512.17 and 58,420.77

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Solution

The fourth proportional to 106,165.41, 146,512.17 and 58,420.77 is: 80,622.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,165.41 : 146,512.17 = 58,420.77 : x
  2. Step 2: Convert to fraction form
    106,165.41/146,512.17 = 58,420.77/x
  3. Step 3: Cross multiply
    106,165.41x = 146,512.17 × 58,420.77
  4. Step 4: Simplify right side
    106,165.41x = 8,559,353,785.77
  5. Step 5: Solve for x
    x = 8,559,353,785.77/106,165.41
  6. Step 6: Final answer
    x = 80,622.81

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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.