Home / 152,885.88-229,064.76-82,814.40

Finding the Fourth Proportional to 152,885.88, 229,064.76 and 82,814.40

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Solution

The fourth proportional to 152,885.88, 229,064.76 and 82,814.40 is: 124,078.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,885.88 : 229,064.76 = 82,814.40 : x
  2. Step 2: Convert to fraction form
    152,885.88/229,064.76 = 82,814.40/x
  3. Step 3: Cross multiply
    152,885.88x = 229,064.76 × 82,814.40
  4. Step 4: Simplify right side
    152,885.88x = 18,969,860,660.54
  5. Step 5: Solve for x
    x = 18,969,860,660.54/152,885.88
  6. Step 6: Final answer
    x = 124,078.57

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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.