Home / 106,405.28-146,840.28-58,660.34

Finding the Fourth Proportional to 106,405.28, 146,840.28 and 58,660.34

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Solution

The fourth proportional to 106,405.28, 146,840.28 and 58,660.34 is: 80,951.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,405.28 : 146,840.28 = 58,660.34 : x
  2. Step 2: Convert to fraction form
    106,405.28/146,840.28 = 58,660.34/x
  3. Step 3: Cross multiply
    106,405.28x = 146,840.28 × 58,660.34
  4. Step 4: Simplify right side
    106,405.28x = 8,613,700,750.50
  5. Step 5: Solve for x
    x = 8,613,700,750.50/106,405.28
  6. Step 6: Final answer
    x = 80,951.82

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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.