Home / 106,384.70-146,804.18-58,638.30

Finding the Fourth Proportional to 106,384.70, 146,804.18 and 58,638.30

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Solution

The fourth proportional to 106,384.70, 146,804.18 and 58,638.30 is: 80,917.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,384.70 : 146,804.18 = 58,638.30 : x
  2. Step 2: Convert to fraction form
    106,384.70/146,804.18 = 58,638.30/x
  3. Step 3: Cross multiply
    106,384.70x = 146,804.18 × 58,638.30
  4. Step 4: Simplify right side
    106,384.70x = 8,608,347,548.09
  5. Step 5: Solve for x
    x = 8,608,347,548.09/106,384.70
  6. Step 6: Final answer
    x = 80,917.16

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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.