Home / 347,213.04-520,557.48-122,475.12

Finding the Fourth Proportional to 347,213.04, 520,557.48 and 122,475.12

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Solution

The fourth proportional to 347,213.04, 520,557.48 and 122,475.12 is: 183,620.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,213.04 : 520,557.48 = 122,475.12 : x
  2. Step 2: Convert to fraction form
    347,213.04/520,557.48 = 122,475.12/x
  3. Step 3: Cross multiply
    347,213.04x = 520,557.48 × 122,475.12
  4. Step 4: Simplify right side
    347,213.04x = 63,755,339,829.90
  5. Step 5: Solve for x
    x = 63,755,339,829.90/347,213.04
  6. Step 6: Final answer
    x = 183,620.23

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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.