Home / 159,629.78-239,482.26-47,310.93

Finding the Fourth Proportional to 159,629.78, 239,482.26 and 47,310.93

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Solution

The fourth proportional to 159,629.78, 239,482.26 and 47,310.93 is: 70,977.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,629.78 : 239,482.26 = 47,310.93 : x
  2. Step 2: Convert to fraction form
    159,629.78/239,482.26 = 47,310.93/x
  3. Step 3: Cross multiply
    159,629.78x = 239,482.26 × 47,310.93
  4. Step 4: Simplify right side
    159,629.78x = 11,330,128,439.10
  5. Step 5: Solve for x
    x = 11,330,128,439.10/159,629.78
  6. Step 6: Final answer
    x = 70,977.54

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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.