Home / 106,239.68-146,611.92-58,494.20

Finding the Fourth Proportional to 106,239.68, 146,611.92 and 58,494.20

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Solution

The fourth proportional to 106,239.68, 146,611.92 and 58,494.20 is: 80,722.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,239.68 : 146,611.92 = 58,494.20 : x
  2. Step 2: Convert to fraction form
    106,239.68/146,611.92 = 58,494.20/x
  3. Step 3: Cross multiply
    106,239.68x = 146,611.92 × 58,494.20
  4. Step 4: Simplify right side
    106,239.68x = 8,575,946,970.86
  5. Step 5: Solve for x
    x = 8,575,946,970.86/106,239.68
  6. Step 6: Final answer
    x = 80,722.64

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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.