Home / 347,205.34-520,849.63-122,519.38

Finding the Fourth Proportional to 347,205.34, 520,849.63 and 122,519.38

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Solution

The fourth proportional to 347,205.34, 520,849.63 and 122,519.38 is: 183,793.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,205.34 : 520,849.63 = 122,519.38 : x
  2. Step 2: Convert to fraction form
    347,205.34/520,849.63 = 122,519.38/x
  3. Step 3: Cross multiply
    347,205.34x = 520,849.63 × 122,519.38
  4. Step 4: Simplify right side
    347,205.34x = 63,814,173,740.83
  5. Step 5: Solve for x
    x = 63,814,173,740.83/347,205.34
  6. Step 6: Final answer
    x = 183,793.76

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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.