Home / 347,158.21-520,064.77-196,944.10

Finding the Fourth Proportional to 347,158.21, 520,064.77 and 196,944.10

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Solution

The fourth proportional to 347,158.21, 520,064.77 and 196,944.10 is: 295,034.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,158.21 : 520,064.77 = 196,944.10 : x
  2. Step 2: Convert to fraction form
    347,158.21/520,064.77 = 196,944.10/x
  3. Step 3: Cross multiply
    347,158.21x = 520,064.77 × 196,944.10
  4. Step 4: Simplify right side
    347,158.21x = 102,423,688,069.36
  5. Step 5: Solve for x
    x = 102,423,688,069.36/347,158.21
  6. Step 6: Final answer
    x = 295,034.61

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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.