Home / 168,103.12-252,176.54-61,470.47

Finding the Fourth Proportional to 168,103.12, 252,176.54 and 61,470.47

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Solution

The fourth proportional to 168,103.12, 252,176.54 and 61,470.47 is: 92,213.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,103.12 : 252,176.54 = 61,470.47 : x
  2. Step 2: Convert to fraction form
    168,103.12/252,176.54 = 61,470.47/x
  3. Step 3: Cross multiply
    168,103.12x = 252,176.54 × 61,470.47
  4. Step 4: Simplify right side
    168,103.12x = 15,501,410,436.77
  5. Step 5: Solve for x
    x = 15,501,410,436.77/168,103.12
  6. Step 6: Final answer
    x = 92,213.70

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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.