Home / 106,128.52-146,452.74-58,378.84

Finding the Fourth Proportional to 106,128.52, 146,452.74 and 58,378.84

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Solution

The fourth proportional to 106,128.52, 146,452.74 and 58,378.84 is: 80,560.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,128.52 : 146,452.74 = 58,378.84 : x
  2. Step 2: Convert to fraction form
    106,128.52/146,452.74 = 58,378.84/x
  3. Step 3: Cross multiply
    106,128.52x = 146,452.74 × 58,378.84
  4. Step 4: Simplify right side
    106,128.52x = 8,549,741,076.02
  5. Step 5: Solve for x
    x = 8,549,741,076.02/106,128.52
  6. Step 6: Final answer
    x = 80,560.26

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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.