Home / 150,613.20-226,009.40-57,128.40

Finding the Fourth Proportional to 150,613.20, 226,009.40 and 57,128.40

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Solution

The fourth proportional to 150,613.20, 226,009.40 and 57,128.40 is: 85,726.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,613.20 : 226,009.40 = 57,128.40 : x
  2. Step 2: Convert to fraction form
    150,613.20/226,009.40 = 57,128.40/x
  3. Step 3: Cross multiply
    150,613.20x = 226,009.40 × 57,128.40
  4. Step 4: Simplify right side
    150,613.20x = 12,911,555,406.96
  5. Step 5: Solve for x
    x = 12,911,555,406.96/150,613.20
  6. Step 6: Final answer
    x = 85,726.59

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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.