Home / 141,835.56-212,789.80-53,090.34

Finding the Fourth Proportional to 141,835.56, 212,789.80 and 53,090.34

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Solution

The fourth proportional to 141,835.56, 212,789.80 and 53,090.34 is: 79,649.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,835.56 : 212,789.80 = 53,090.34 : x
  2. Step 2: Convert to fraction form
    141,835.56/212,789.80 = 53,090.34/x
  3. Step 3: Cross multiply
    141,835.56x = 212,789.80 × 53,090.34
  4. Step 4: Simplify right side
    141,835.56x = 11,297,082,565.08
  5. Step 5: Solve for x
    x = 11,297,082,565.08/141,835.56
  6. Step 6: Final answer
    x = 79,649.16

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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.