Home / 146,575.20-219,862.80-83,589.60

Finding the Fourth Proportional to 146,575.20, 219,862.80 and 83,589.60

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Solution

The fourth proportional to 146,575.20, 219,862.80 and 83,589.60 is: 125,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,575.20 : 219,862.80 = 83,589.60 : x
  2. Step 2: Convert to fraction form
    146,575.20/219,862.80 = 83,589.60/x
  3. Step 3: Cross multiply
    146,575.20x = 219,862.80 × 83,589.60
  4. Step 4: Simplify right side
    146,575.20x = 18,378,243,506.88
  5. Step 5: Solve for x
    x = 18,378,243,506.88/146,575.20
  6. Step 6: Final answer
    x = 125,384.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.