Home / 154,493.10-231,739.65-60,986.70

Finding the Fourth Proportional to 154,493.10, 231,739.65 and 60,986.70

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Solution

The fourth proportional to 154,493.10, 231,739.65 and 60,986.70 is: 91,480.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,493.10 : 231,739.65 = 60,986.70 : x
  2. Step 2: Convert to fraction form
    154,493.10/231,739.65 = 60,986.70/x
  3. Step 3: Cross multiply
    154,493.10x = 231,739.65 × 60,986.70
  4. Step 4: Simplify right side
    154,493.10x = 14,133,036,512.66
  5. Step 5: Solve for x
    x = 14,133,036,512.66/154,493.10
  6. Step 6: Final answer
    x = 91,480.05

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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.