Home / 106,403.20-146,830.08-58,658.56

Finding the Fourth Proportional to 106,403.20, 146,830.08 and 58,658.56

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Solution

The fourth proportional to 106,403.20, 146,830.08 and 58,658.56 is: 80,945.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,403.20 : 146,830.08 = 58,658.56 : x
  2. Step 2: Convert to fraction form
    106,403.20/146,830.08 = 58,658.56/x
  3. Step 3: Cross multiply
    106,403.20x = 146,830.08 × 58,658.56
  4. Step 4: Simplify right side
    106,403.20x = 8,612,841,057.48
  5. Step 5: Solve for x
    x = 8,612,841,057.48/106,403.20
  6. Step 6: Final answer
    x = 80,945.32

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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.