Home / 141,629.16-212,575.14-71,557.68

Finding the Fourth Proportional to 141,629.16, 212,575.14 and 71,557.68

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Solution

The fourth proportional to 141,629.16, 212,575.14 and 71,557.68 is: 107,402.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,629.16 : 212,575.14 = 71,557.68 : x
  2. Step 2: Convert to fraction form
    141,629.16/212,575.14 = 71,557.68/x
  3. Step 3: Cross multiply
    141,629.16x = 212,575.14 × 71,557.68
  4. Step 4: Simplify right side
    141,629.16x = 15,211,383,844.08
  5. Step 5: Solve for x
    x = 15,211,383,844.08/141,629.16
  6. Step 6: Final answer
    x = 107,402.91

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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.