Home / 347,529.56-521,337.28-122,843.66

Finding the Fourth Proportional to 347,529.56, 521,337.28 and 122,843.66

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Solution

The fourth proportional to 347,529.56, 521,337.28 and 122,843.66 is: 184,280.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,529.56 : 521,337.28 = 122,843.66 : x
  2. Step 2: Convert to fraction form
    347,529.56/521,337.28 = 122,843.66/x
  3. Step 3: Cross multiply
    347,529.56x = 521,337.28 × 122,843.66
  4. Step 4: Simplify right side
    347,529.56x = 64,042,979,569.64
  5. Step 5: Solve for x
    x = 64,042,979,569.64/347,529.56
  6. Step 6: Final answer
    x = 184,280.67

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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.