Home / 152,113.20-228,169.80-39,793.20

Finding the Fourth Proportional to 152,113.20, 228,169.80 and 39,793.20

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Solution

The fourth proportional to 152,113.20, 228,169.80 and 39,793.20 is: 59,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,113.20 : 228,169.80 = 39,793.20 : x
  2. Step 2: Convert to fraction form
    152,113.20/228,169.80 = 39,793.20/x
  3. Step 3: Cross multiply
    152,113.20x = 228,169.80 × 39,793.20
  4. Step 4: Simplify right side
    152,113.20x = 9,079,606,485.36
  5. Step 5: Solve for x
    x = 9,079,606,485.36/152,113.20
  6. Step 6: Final answer
    x = 59,689.80

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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.