Home / 141,575.00-195,373.52-77,912.79

Finding the Fourth Proportional to 141,575.00, 195,373.52 and 77,912.79

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Solution

The fourth proportional to 141,575.00, 195,373.52 and 77,912.79 is: 107,519.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,575.00 : 195,373.52 = 77,912.79 : x
  2. Step 2: Convert to fraction form
    141,575.00/195,373.52 = 77,912.79/x
  3. Step 3: Cross multiply
    141,575.00x = 195,373.52 × 77,912.79
  4. Step 4: Simplify right side
    141,575.00x = 15,222,095,645.76
  5. Step 5: Solve for x
    x = 15,222,095,645.76/141,575.00
  6. Step 6: Final answer
    x = 107,519.66

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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.