Home / 168,147.36-252,261-48,205.80

Finding the Fourth Proportional to 168,147.36, 252,261 and 48,205.80

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Solution

The fourth proportional to 168,147.36, 252,261 and 48,205.80 is: 72,320.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,147.36 : 252,261 = 48,205.80 : x
  2. Step 2: Convert to fraction form
    168,147.36/252,261 = 48,205.80/x
  3. Step 3: Cross multiply
    168,147.36x = 252,261 × 48,205.80
  4. Step 4: Simplify right side
    168,147.36x = 12,160,443,313.80
  5. Step 5: Solve for x
    x = 12,160,443,313.80/168,147.36
  6. Step 6: Final answer
    x = 72,320.16

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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.