Home / 146,434.23-219,452.63-66,372.21

Finding the Fourth Proportional to 146,434.23, 219,452.63 and 66,372.21

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Solution

The fourth proportional to 146,434.23, 219,452.63 and 66,372.21 is: 99,468.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,434.23 : 219,452.63 = 66,372.21 : x
  2. Step 2: Convert to fraction form
    146,434.23/219,452.63 = 66,372.21/x
  3. Step 3: Cross multiply
    146,434.23x = 219,452.63 × 66,372.21
  4. Step 4: Simplify right side
    146,434.23x = 14,565,555,711.55
  5. Step 5: Solve for x
    x = 14,565,555,711.55/146,434.23
  6. Step 6: Final answer
    x = 99,468.24

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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.