Home / 141,507.45-195,273.23-77,843.61

Finding the Fourth Proportional to 141,507.45, 195,273.23 and 77,843.61

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Solution

The fourth proportional to 141,507.45, 195,273.23 and 77,843.61 is: 107,420.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,507.45 : 195,273.23 = 77,843.61 : x
  2. Step 2: Convert to fraction form
    141,507.45/195,273.23 = 77,843.61/x
  3. Step 3: Cross multiply
    141,507.45x = 195,273.23 × 77,843.61
  4. Step 4: Simplify right side
    141,507.45x = 15,200,772,770.34
  5. Step 5: Solve for x
    x = 15,200,772,770.34/141,507.45
  6. Step 6: Final answer
    x = 107,420.30

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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.