Home / 106,177.86-146,525.47-58,431.21

Finding the Fourth Proportional to 106,177.86, 146,525.47 and 58,431.21

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Solution

The fourth proportional to 106,177.86, 146,525.47 and 58,431.21 is: 80,635.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,177.86 : 146,525.47 = 58,431.21 : x
  2. Step 2: Convert to fraction form
    106,177.86/146,525.47 = 58,431.21/x
  3. Step 3: Cross multiply
    106,177.86x = 146,525.47 × 58,431.21
  4. Step 4: Simplify right side
    106,177.86x = 8,561,659,812.37
  5. Step 5: Solve for x
    x = 8,561,659,812.37/106,177.86
  6. Step 6: Final answer
    x = 80,635.08

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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.