Home / 159,887.20-239,864.84-47,567.76

Finding the Fourth Proportional to 159,887.20, 239,864.84 and 47,567.76

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Solution

The fourth proportional to 159,887.20, 239,864.84 and 47,567.76 is: 71,361.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,887.20 : 239,864.84 = 47,567.76 : x
  2. Step 2: Convert to fraction form
    159,887.20/239,864.84 = 47,567.76/x
  3. Step 3: Cross multiply
    159,887.20x = 239,864.84 × 47,567.76
  4. Step 4: Simplify right side
    159,887.20x = 11,409,833,141.56
  5. Step 5: Solve for x
    x = 11,409,833,141.56/159,887.20
  6. Step 6: Final answer
    x = 71,361.77

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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.