Home / 230,433.12-345,648.06-64,221.12

Finding the Fourth Proportional to 230,433.12, 345,648.06 and 64,221.12

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Solution

The fourth proportional to 230,433.12, 345,648.06 and 64,221.12 is: 96,331.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,433.12 : 345,648.06 = 64,221.12 : x
  2. Step 2: Convert to fraction form
    230,433.12/345,648.06 = 64,221.12/x
  3. Step 3: Cross multiply
    230,433.12x = 345,648.06 × 64,221.12
  4. Step 4: Simplify right side
    230,433.12x = 22,197,905,539.03
  5. Step 5: Solve for x
    x = 22,197,905,539.03/230,433.12
  6. Step 6: Final answer
    x = 96,331.23

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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.