Home / 141,945.84-212,975.56-57,712.48

Finding the Fourth Proportional to 141,945.84, 212,975.56 and 57,712.48

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Solution

The fourth proportional to 141,945.84, 212,975.56 and 57,712.48 is: 86,591.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,945.84 : 212,975.56 = 57,712.48 : x
  2. Step 2: Convert to fraction form
    141,945.84/212,975.56 = 57,712.48/x
  3. Step 3: Cross multiply
    141,945.84x = 212,975.56 × 57,712.48
  4. Step 4: Simplify right side
    141,945.84x = 12,291,347,286.69
  5. Step 5: Solve for x
    x = 12,291,347,286.69/141,945.84
  6. Step 6: Final answer
    x = 86,591.81

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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.