Home / 106,405.83-146,840.49-58,658.13

Finding the Fourth Proportional to 106,405.83, 146,840.49 and 58,658.13

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Solution

The fourth proportional to 106,405.83, 146,840.49 and 58,658.13 is: 80,948.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,405.83 : 146,840.49 = 58,658.13 : x
  2. Step 2: Convert to fraction form
    106,405.83/146,840.49 = 58,658.13/x
  3. Step 3: Cross multiply
    106,405.83x = 146,840.49 × 58,658.13
  4. Step 4: Simplify right side
    106,405.83x = 8,613,388,551.68
  5. Step 5: Solve for x
    x = 8,613,388,551.68/106,405.83
  6. Step 6: Final answer
    x = 80,948.46

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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.