Home / 141,441.27-195,190.34-77,779.50

Finding the Fourth Proportional to 141,441.27, 195,190.34 and 77,779.50

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Solution

The fourth proportional to 141,441.27, 195,190.34 and 77,779.50 is: 107,336.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,441.27 : 195,190.34 = 77,779.50 : x
  2. Step 2: Convert to fraction form
    141,441.27/195,190.34 = 77,779.50/x
  3. Step 3: Cross multiply
    141,441.27x = 195,190.34 × 77,779.50
  4. Step 4: Simplify right side
    141,441.27x = 15,181,806,661.13
  5. Step 5: Solve for x
    x = 15,181,806,661.13/141,441.27
  6. Step 6: Final answer
    x = 107,336.47

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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.