Home / 154,403.20-231,615.60-60,896.80

Finding the Fourth Proportional to 154,403.20, 231,615.60 and 60,896.80

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Solution

The fourth proportional to 154,403.20, 231,615.60 and 60,896.80 is: 91,349.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,403.20 : 231,615.60 = 60,896.80 : x
  2. Step 2: Convert to fraction form
    154,403.20/231,615.60 = 60,896.80/x
  3. Step 3: Cross multiply
    154,403.20x = 231,615.60 × 60,896.80
  4. Step 4: Simplify right side
    154,403.20x = 14,104,648,870.08
  5. Step 5: Solve for x
    x = 14,104,648,870.08/154,403.20
  6. Step 6: Final answer
    x = 91,349.46

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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.