Home / 141,189.08-194,839.83-77,526.72

Finding the Fourth Proportional to 141,189.08, 194,839.83 and 77,526.72

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Solution

The fourth proportional to 141,189.08, 194,839.83 and 77,526.72 is: 106,986.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,189.08 : 194,839.83 = 77,526.72 : x
  2. Step 2: Convert to fraction form
    141,189.08/194,839.83 = 77,526.72/x
  3. Step 3: Cross multiply
    141,189.08x = 194,839.83 × 77,526.72
  4. Step 4: Simplify right side
    141,189.08x = 15,105,292,945.26
  5. Step 5: Solve for x
    x = 15,105,292,945.26/141,189.08
  6. Step 6: Final answer
    x = 106,986.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.