Home / 154,311.68-231,486.02-54,451.24

Finding the Fourth Proportional to 154,311.68, 231,486.02 and 54,451.24

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Solution

The fourth proportional to 154,311.68, 231,486.02 and 54,451.24 is: 81,683.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,311.68 : 231,486.02 = 54,451.24 : x
  2. Step 2: Convert to fraction form
    154,311.68/231,486.02 = 54,451.24/x
  3. Step 3: Cross multiply
    154,311.68x = 231,486.02 × 54,451.24
  4. Step 4: Simplify right side
    154,311.68x = 12,604,700,831.66
  5. Step 5: Solve for x
    x = 12,604,700,831.66/154,311.68
  6. Step 6: Final answer
    x = 81,683.39

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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.