Home / 230,341.43-345,561.35-80,586.60

Finding the Fourth Proportional to 230,341.43, 345,561.35 and 80,586.60

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Solution

The fourth proportional to 230,341.43, 345,561.35 and 80,586.60 is: 120,897.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,341.43 : 345,561.35 = 80,586.60 : x
  2. Step 2: Convert to fraction form
    230,341.43/345,561.35 = 80,586.60/x
  3. Step 3: Cross multiply
    230,341.43x = 345,561.35 × 80,586.60
  4. Step 4: Simplify right side
    230,341.43x = 27,847,614,287.91
  5. Step 5: Solve for x
    x = 27,847,614,287.91/230,341.43
  6. Step 6: Final answer
    x = 120,897.11

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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.