Home / 141,272.51-194,955.26-77,608.94

Finding the Fourth Proportional to 141,272.51, 194,955.26 and 77,608.94

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Solution

The fourth proportional to 141,272.51, 194,955.26 and 77,608.94 is: 107,099.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,272.51 : 194,955.26 = 77,608.94 : x
  2. Step 2: Convert to fraction form
    141,272.51/194,955.26 = 77,608.94/x
  3. Step 3: Cross multiply
    141,272.51x = 194,955.26 × 77,608.94
  4. Step 4: Simplify right side
    141,272.51x = 15,130,269,713.20
  5. Step 5: Solve for x
    x = 15,130,269,713.20/141,272.51
  6. Step 6: Final answer
    x = 107,099.89

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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.