Home / 347,122.38-520,089.18-189,461.46

Finding the Fourth Proportional to 347,122.38, 520,089.18 and 189,461.46

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Solution

The fourth proportional to 347,122.38, 520,089.18 and 189,461.46 is: 283,867.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,122.38 : 520,089.18 = 189,461.46 : x
  2. Step 2: Convert to fraction form
    347,122.38/520,089.18 = 189,461.46/x
  3. Step 3: Cross multiply
    347,122.38x = 520,089.18 × 189,461.46
  4. Step 4: Simplify right side
    347,122.38x = 98,536,855,373.00
  5. Step 5: Solve for x
    x = 98,536,855,373.00/347,122.38
  6. Step 6: Final answer
    x = 283,867.77

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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.