Home / 253,429.20-349,632.60-162,772.48

Finding the Fourth Proportional to 253,429.20, 349,632.60 and 162,772.48

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Solution

The fourth proportional to 253,429.20, 349,632.60 and 162,772.48 is: 224,561.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,429.20 : 349,632.60 = 162,772.48 : x
  2. Step 2: Convert to fraction form
    253,429.20/349,632.60 = 162,772.48/x
  3. Step 3: Cross multiply
    253,429.20x = 349,632.60 × 162,772.48
  4. Step 4: Simplify right side
    253,429.20x = 56,910,565,390.85
  5. Step 5: Solve for x
    x = 56,910,565,390.85/253,429.20
  6. Step 6: Final answer
    x = 224,561.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.