Home / 106,100.64-146,419.20-58,358.88

Finding the Fourth Proportional to 106,100.64, 146,419.20 and 58,358.88

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Solution

The fourth proportional to 106,100.64, 146,419.20 and 58,358.88 is: 80,535.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,100.64 : 146,419.20 = 58,358.88 : x
  2. Step 2: Convert to fraction form
    106,100.64/146,419.20 = 58,358.88/x
  3. Step 3: Cross multiply
    106,100.64x = 146,419.20 × 58,358.88
  4. Step 4: Simplify right side
    106,100.64x = 8,544,860,522.50
  5. Step 5: Solve for x
    x = 8,544,860,522.50/106,100.64
  6. Step 6: Final answer
    x = 80,535.43

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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.