Home / 141,273.56-194,957.60-77,615.46

Finding the Fourth Proportional to 141,273.56, 194,957.60 and 77,615.46

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Solution

The fourth proportional to 141,273.56, 194,957.60 and 77,615.46 is: 107,109.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,273.56 : 194,957.60 = 77,615.46 : x
  2. Step 2: Convert to fraction form
    141,273.56/194,957.60 = 77,615.46/x
  3. Step 3: Cross multiply
    141,273.56x = 194,957.60 × 77,615.46
  4. Step 4: Simplify right side
    141,273.56x = 15,131,723,416.42
  5. Step 5: Solve for x
    x = 15,131,723,416.42/141,273.56
  6. Step 6: Final answer
    x = 107,109.38

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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.