Home / 141,047.42-194,645.63-77,385.47

Finding the Fourth Proportional to 141,047.42, 194,645.63 and 77,385.47

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Solution

The fourth proportional to 141,047.42, 194,645.63 and 77,385.47 is: 106,792.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,047.42 : 194,645.63 = 77,385.47 : x
  2. Step 2: Convert to fraction form
    141,047.42/194,645.63 = 77,385.47/x
  3. Step 3: Cross multiply
    141,047.42x = 194,645.63 × 77,385.47
  4. Step 4: Simplify right side
    141,047.42x = 15,062,743,660.68
  5. Step 5: Solve for x
    x = 15,062,743,660.68/141,047.42
  6. Step 6: Final answer
    x = 106,792.05

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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.