Home / 347,653.30-521,561.32-107,754.67

Finding the Fourth Proportional to 347,653.30, 521,561.32 and 107,754.67

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Solution

The fourth proportional to 347,653.30, 521,561.32 and 107,754.67 is: 161,657.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,653.30 : 521,561.32 = 107,754.67 : x
  2. Step 2: Convert to fraction form
    347,653.30/521,561.32 = 107,754.67/x
  3. Step 3: Cross multiply
    347,653.30x = 521,561.32 × 107,754.67
  4. Step 4: Simplify right side
    347,653.30x = 56,200,667,921.36
  5. Step 5: Solve for x
    x = 56,200,667,921.36/347,653.30
  6. Step 6: Final answer
    x = 161,657.23

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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.