Home / 432,475.88-648,436.62-179,931.56

Finding the Fourth Proportional to 432,475.88, 648,436.62 and 179,931.56

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Solution

The fourth proportional to 432,475.88, 648,436.62 and 179,931.56 is: 269,782.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,475.88 : 648,436.62 = 179,931.56 : x
  2. Step 2: Convert to fraction form
    432,475.88/648,436.62 = 179,931.56/x
  3. Step 3: Cross multiply
    432,475.88x = 648,436.62 × 179,931.56
  4. Step 4: Simplify right side
    432,475.88x = 116,674,212,597.73
  5. Step 5: Solve for x
    x = 116,674,212,597.73/432,475.88
  6. Step 6: Final answer
    x = 269,782.01

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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.