Home / 141,195.36-194,853-76,667.34

Finding the Fourth Proportional to 141,195.36, 194,853 and 76,667.34

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Solution

The fourth proportional to 141,195.36, 194,853 and 76,667.34 is: 105,802.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,195.36 : 194,853 = 76,667.34 : x
  2. Step 2: Convert to fraction form
    141,195.36/194,853 = 76,667.34/x
  3. Step 3: Cross multiply
    141,195.36x = 194,853 × 76,667.34
  4. Step 4: Simplify right side
    141,195.36x = 14,938,861,201.02
  5. Step 5: Solve for x
    x = 14,938,861,201.02/141,195.36
  6. Step 6: Final answer
    x = 105,802.78

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1.5x scale

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.