Home / 141,138.56-211,740.65-47,644.31

Finding the Fourth Proportional to 141,138.56, 211,740.65 and 47,644.31

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Solution

The fourth proportional to 141,138.56, 211,740.65 and 47,644.31 is: 71,477.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,138.56 : 211,740.65 = 47,644.31 : x
  2. Step 2: Convert to fraction form
    141,138.56/211,740.65 = 47,644.31/x
  3. Step 3: Cross multiply
    141,138.56x = 211,740.65 × 47,644.31
  4. Step 4: Simplify right side
    141,138.56x = 10,088,237,638.00
  5. Step 5: Solve for x
    x = 10,088,237,638.00/141,138.56
  6. Step 6: Final answer
    x = 71,477.54

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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.