Home / 168,135.36-252,243-48,193.80

Finding the Fourth Proportional to 168,135.36, 252,243 and 48,193.80

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Solution

The fourth proportional to 168,135.36, 252,243 and 48,193.80 is: 72,302.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,135.36 : 252,243 = 48,193.80 : x
  2. Step 2: Convert to fraction form
    168,135.36/252,243 = 48,193.80/x
  3. Step 3: Cross multiply
    168,135.36x = 252,243 × 48,193.80
  4. Step 4: Simplify right side
    168,135.36x = 12,156,548,693.40
  5. Step 5: Solve for x
    x = 12,156,548,693.40/168,135.36
  6. Step 6: Final answer
    x = 72,302.15

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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.